Blog | Mark Martin Chevrolet GMC

The Science, The Tricks, & The Laughs Behind The Numbers

Minimum car mileage standards are something we've all seen plastered on window stickers at dealerships—those numbers that claim how many miles per gallon (mpg) your next car will supposedly get. But behind these seemingly simple numbers is a history filled with oil crises, scientific ingenuity, creative testing hacks, and a few funny mishaps along the way. 

Why Minimum Mileage Standards Exist

The concept of minimum car mileage was first established back in the 1970s, during the 1973 oil crisis. For further reading on the oil crisis and its impact on fuel economy standards, you can refer to sources like the U.S. Department of Energy's history of the oil crisis or the Environmental Protection Agency's CAFE standards overview (https://www.epa.gov/fueleconomy). Faced with skyrocketing oil prices and dwindling supplies, leaders in the United States realized they needed to take action to reduce fuel consumption. This led to the creation of the Corporate Average Fuel Economy (CAFE) standards in 1975.  (https://www.nhtsa.gov/laws-regulations/corporate-average-fuel-economy). The goal? To ensure that cars rolling off the production line were more efficient, saving both money for consumers and fuel for the nation.

These standards have evolved over time, and today, every car manufacturer must meet certain minimum mpg standards averaged across their entire fleet. This regulatory push set the stage for increasingly creative and, sometimes, downright funny approaches to mileage testing.

Mileage Testing: From Lab Tests to the Highway

When calculating car mileage, manufacturers put their vehicles through a series of tests that aim to represent real-world conditions. The Environmental Protection Agency (EPA) outlines the procedures and protocols for these tests, which are available at (https://www.fueleconomy.gov/feg/how_tested.shtml). The main methods include the use of dynamometers (essentially treadmills for cars) and specific driving cycles like the Urban Dynamometer Driving Schedule (UDDS) for city driving and the Highway Fuel Economy Test (HWFET) for open roads.

But here’s where it gets interesting: these lab numbers don’t always match up with what drivers see on the road. In fact, lab results are often adjusted downwards by 10-20% to account for variables like traffic, road conditions, or even unpredictable events—like the occasional laboratory hamster making its home under the hood (yes, that supposedly really happened!).

Quirky Mileage Testing Anecdotes

1. The Tape Trick

Back in the day, some manufacturers used tape to cover body seams during testing to reduce drag and boost aerodynamics. While this worked well for the test results, it wasn’t exactly practical for a car that needed to withstand normal driving—unless, of course, you wanted to drive around with duct tape all over your car. Unsurprisingly, this little trick was soon banned.

2. "Feather Foot" Drivers

Mileage testers have long employed so-called "feather foot" drivers—test drivers known for barely touching the gas pedal in an attempt to get the absolute best fuel efficiency numbers. These drivers are known for accelerating so slowly that, if they were on a real road, they'd probably get honked at… a lot. This approach, while effective in testing, is laughably unrealistic for everyday drivers who have places to be and aren’t competing in a "slowest acceleration contest."

3. Weight Loss Tricks

In a bid to get the highest mileage numbers, some manufacturers would strip test cars of everything non-essential. Spare tire? Gone. Stereo system? Nope. Air conditioning compressor belt? Definitely removed—just to ensure the AC didn’t accidentally kick on. These weight-reduced vehicles were basically hollowed-out shells, leaving testers to joke, "Sure, this car gets 40 mpg… if you’re okay with zero comforts."

4. Rolling Downhill for Science

It’s said that early mileage tests could’ve just as easily been called "rolling downhill competitions". Some test drivers would joke that, with the right downhill slope, you could claim amazing mileage numbers. The absurdity of using "perfect hill" conditions became an ongoing joke in the testing community, and although today’s tests are much stricter, the idea of finding those mileage-boosting hacks hasn’t quite gone away.

6. The "Average Driver" Myth

Mileage tests are designed to represent an "average driver". But here’s the thing: that driver—the one who never accelerates too hard, never brakes too suddenly, and never drives too fast—is a mythical being. Testers joke that if this person existed in real life, they’d probably be the least fun driver on any road trip, and yet, their mild-mannered ways are what determine the mileage figures printed on new cars.

7. Pizza Run Gone Wrong

There’s a classic story of a tester wanting to prove a car’s real-world mileage by timing a pizza delivery run. The plan backfired. The pizza was late, the mileage was terrible, and the driver realized that real-world driving—with its stops, starts, and sudden lane changes—is nothing like the perfectly controlled environment of a lab. It was a reminder that the lab is neat and tidy, but the real world is chaos.

How Mileage Gets Reported Today

When you see those mileage numbers on a car, they’re based on a mix of city (55%) and highway (45%) driving. The EPA sets strict guidelines that all manufacturers must follow, so every vehicle is tested under the same conditions. Of course, actual driving—like dealing with traffic, weather, and personal driving habits—can make a difference,

 Updates to EPA Testing (2008 and Beyond)

In 2008, the EPA realized that their old testing methods didn’t always reflect modern driving. To fix that, they updated the rules that every automaker has to follow, making the tests more realistic. Now, they take into account a lot more real-world factors, such as:

• Higher Speeds and Aggressive Driving: The tests now simulate faster speeds and quicker acceleration, reflecting how most of us actually drive on highways and in traffic.

• Cold Weather: Cold temperatures can impact fuel efficiency, especially in gas-powered cars. The updated tests consider this, giving you more accurate numbers for winter driving.

• Air Conditioning Usage: Running the A/C can increase fuel consumption, and now that’s included in the EPA’s tests, so the numbers reflect what happens on a hot summer day.

• Shorter Trips and Idle Time: Stop-and-go traffic and quick errands are part of the new testing protocol, which better reflects typical city driving.

 Thanks to these updates—and the fact that all manufacturers have to use the same guidelines—the fuel economy ratings on new cars are more accurate than ever. While real-world results might vary a bit depending on how and where you drive, these numbers give you a much better idea of what to expect

Do You Have A Gas Guzzler? Let Us Help!

Is your current car guzzling gas, constantly needing repairs, and leaving you frustrated with outdated features? Then, it's time to consider a smarter option. You need a fuel-efficient, reliable vehicle that fits your budget and meets today’s driving standards—but finding the right one can feel overwhelming. 

Stop Wasting Money on an Inefficient Car

Watching your hard-earned money disappear with every fill-up or repair is frustrating. The rising cost of fuel combined with an old car’s inefficiency is like throwing money away. Plus, outdated features mean you’re missing out on modern safety, comfort, and fuel-saving technology. You deserve more—a vehicle that saves you money, operates efficiently, and doesn’t leave you stranded.

We’re Here to Help You Make a Smart Switch

We understand that saving money is important. That’s why we offer a wide range of fuel-efficient, low-maintenance vehicles designed to reduce your costs and improve your driving experience. Our team is here to guide you in finding a car that’s reliable, comfortable, and packed with the latest technology. Let us help you trade in that gas-guzzler for a more economical ride that puts money back in your pocket. Visit us today to discover how you can start driving smarter!

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Dazzled by the Dashboard: What Lies Beyond the Glow

You may think you know your car well, but there’s more happening beneath the surface than your dashboard reveals. Sure, the dashboard lights up for issues like low oil or tire pressure, but it doesn’t cover everything. There are many hidden components and features that work tirelessly behind the scenes, keeping your car running smoothly without ever triggering a warning light. While you're focused on the engine, transmission, and those dashboard alerts, there are a lot of car issues that go unnoticed until they become a problem.

Drain Holes: The Unsung Water Fighters

Did you know that your car has many drain holes for water? While they’re out of sight, the effects of clogged drains are not. These tiny openings help your car stay dry by channeling water out before it can get into places it doesn’t belong, like your floorboards or trunk. Here’s where you should look:

• Doors
  At the bottom of your car doors are small holes designed to drain water that slips past the window seals. If these get clogged with dirt and leaves, you might end up with soggy carpets and a musty smell. A quick visual check now and then can save you from bigger problems, like rust or mildew.

• Sunroof 
  If your car has a sunroof, there are drain tubes to channel rainwater away from the roof. If clogged, they can lead to water leaks into your headliner or even drip onto your seats. If you notice wet spots near the edges of your sunroof, it’s time to clean those drains. A quick rinse with water or air pressure can clear them up.

• Trunk
  The weather seals around your trunk aren’t always perfect. Any leaks in the trunk can lead to standing water in your spare tire well (yes, that’s a thing). Check under the mat in your trunk every once in a while. If you find moisture, the trunk drains might need a good cleaning.

• Windshield Cowl
  The area at the base of the windshield where water runs off can easily become clogged when leaves or debris pile up. This can lead to water leaks into the cabin or, worse, your car’s electrical system. Clear them out regularly to avoid water leaks or electrical issues in the future.

A Fan of Quiet Calls? So Is Your Car!

When you're driving and talking on the phone via Bluetooth, your car automatically lowers the fan speed or adjusts the airflow direction so that the person on the other end of the call doesn’t hear a blast of air drowning out your voice. Next time you're on a call and the person on the other end struggles to hear you, it might not be your phone; it could be your car’s climate control feature acting up. But not all noise comes from inside the car. If your door seals are worn or cracked, external noise like wind and road noise can seep into the cabin, making it harder for the person on the other end of the call to hear you clearly. You may not notice it, but they will.

Door Seals: Keeping Water and Noise Out

Your car’s door seals work hard to reduce not only water leaks but also excess wind noise. These rubber seals around your car’s doors and windows are designed to keep your ride quiet and comfortable. However, they can dry out, crack, or peel over time, letting unwanted noise sneak in and even affecting your phone calls.

If you notice wind noise or water trickling in during heavy rain, your seals might be in need of some attention. A quick inspection can help you avoid bigger problems down the road.

Cabin Air Filter: The Silent Smell-Maker

You can’t see your cabin air filter, but you can definitely smell it when it’s neglected. Over time, this filter gets clogged with dust, pollen, and all sorts of debris, which makes your car’s ventilation system work harder and could make your car smell like a damp basement. If your car’s air smells musty, stale, or just downright unpleasant when you turn on the A/C, it’s probably time for a new filter. It's a simple fix, and you’ll instantly make your drives fresher and more pleasant.

Pothole Problems: Getting Pulled In The Wrong Direction

We've all felt that jarring thunk when hitting a pothole. Not only is it uncomfortable, it can mess with your car's alignment. If you notice your car pulling to one side or your steering wheel seems off-center, chances are your wheel alignment has been knocked out of place. Left unchecked, poor alignment can lead to uneven tire wear and make handling more difficult, which is both unsafe and costly in the long run.

But that’s not all. Hitting a pothole, curb, or parking block can affect your headlight alignment. Most of us only think about headlights when they go out or aren’t as bright as they used to be. However, after significant impacts like these, your headlights can shift slightly out of alignment. If one light seems to be shining higher than the other, or if oncoming drivers keep flashing their bright lights at you, it could be that your headlights are pointing in the wrong direction.

Beyond the Dashboard: Not Your Usual Checklist

Your dashboard does a great job of warning you about things like low oil or tire pressure, but it doesn’t tell you the whole story. There are countless hidden features quietly doing their part to keep your car running smoothly, without ever lighting up a warning. These small, often-overlooked details might not seem like a big deal, but taking a few minutes to check and maintain them can save you from major headaches down the road.

Most of these fixes are easy to spot and simple to take care of, even if you’re not a car expert. Next time you're giving your car a once-over, don't just rely on what the dashboard tells you. Take a moment to check these hidden heroes, and keep your ride smooth, dry, and drama-free.

While staying on top of these hidden features not only keeps your car running smoothly, it also helps maintain its value. Regular attention to components like seals, drains, and alignment can prevent costly damage down the road and keep your car in great shape. However, as cars age, even with the best care, there comes a point when the cost and effort of maintenance start to wear you down. If you’re finding that these systems need more frequent attention, it might be time to consider trading in your car for something newer and less demanding.

Ready to Trade In for Something New?

If you’re tired of keeping up with constant maintenance and repairs, it might be time to consider an upgrade. Imagine driving a newer car with fewer headaches, improved features, and the peace of mind that comes from knowing you’ve made a smart choice.

We make the trade-in process easy and hassle-free. Bring your current car to us, and we’ll give you a fair trade-in value you can put towards a newer, more reliable vehicle. Whether you’re looking for better performance, updated technology, or just a smoother ride, we’re here to help you find the perfect fit.

Don’t wait—start enjoying your drive again. Visit us today or contact us to begin your simple trade-in process and take the first step towards a car that suits your needs without the extra hassle.

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Trading in your vehicle is a fantastic way to bring down the cost of your next car purchase. To help you get the best deal possible, let me share what car dealers typically look for when evaluating a trade-in. Understanding these key aspects will help ensure you get the best value for your trade-in.

1. Vehicle Condition

Exterior: We take a close look at the exterior for any dents, scratches, rust, and the overall paint condition. Keeping your car's exterior in great shape can really boost its resale value.

Interior: The condition of the seats, dashboard, carpeting, and electronics matters a lot. A clean, well-kept interior shows that the car has been well taken care of.

Mechanical: We check for any signs of wear or damage here that can significantly affect the trade-in value.

2. Mileage

Mileage plays a big role in determining your car's value. Lower mileage usually means less wear and tear, which can lead to a higher trade-in value. However, even if your car has high mileage, it can still be attractive if itâ??s been well-maintained.

3. Vehicle History

A detailed vehicle history report is crucial. We look for:

• Accident history: Cars with a clean accident history are more valuable.

• Service records: Do you have regular maintenance and service history show that the car has been well cared for.

• Title Status: A clean title is preferred, whereas a salvage or rebuilt title can significantly lower the value

4. Market Demand

The current market demand for your car's make and model is also important. Popular models with high demand can fetch a better trade-in value. On the other hand, less popular or outdated models might not get as high an offer.

5. Modifications and Customizations

Some modifications can enhance your car's appeal, while others might detract from its value. Performance upgrades can be a selling point for enthusiasts, but unconventional customizations might limit the pool of potential buyers.

6. Current Market Conditions

Market conditions, such as economic factors and fuel prices, can influence your car's trade-in value. For instance, during times of high fuel prices, fuel-efficient cars tend to be more desirable and thus more valuable.

7. Documentation and Paperwork

Having all the necessary documentation, including the title, registration, and any loan payoff information, helps speed up the trade-in process. Well-documented cars are often seen as more reliable.

Tips to Maximize Your Trade-In Value

• Clean your car thoroughly: A clean car makes a great first impression.

• Fix minor issues: Small repairs can significantly boost your car's value.

• Gather all maintenance records: Showing a history of regular maintenance builds confidence in your car's condition.

• Research your car's value: Use online tools to get an estimate of your car's trade-in value to help you negotiate better.

Trading in your vehicle should be a straightforward and rewarding experience for both of us. By knowing what we focus on, you can prepare your car more effectively and boost its trade-in value. A well-maintained vehicle with a clear history and reasonable mileage is more likely to receive an excellent trade-in offer.

Sell Your Car Fast & Easy! Get Top Dollar Today!

Bring your car to our dealership and get a hassle-free offer. Get cash on the spot or put it towards a Cars, Trucks or SUV.

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It's That Time of Year

Schools are out, and that means families everywhere are gearing up for their next big adventure. With modern tools like GPS and travel apps, planning a road trip has never been easier. But not that long ago, just getting from one part of the country to another was not only dangerous, but almost unheard of for leisure traveling!.

You Thought Your Trip Was Tough

In 1903, H. Nelson Jackson and Sewall K. Crocker took on the challenge of driving across the United States in a car. They faced rough roads, breakdowns, and navigational hiccups. Their journey showed everyone that road trips were possible and sparked a love for the open road. It was many years later that road conditions and infrastructure developed to the point of making them practical. 

AAA To The Rescue

While AAA is synonymous with roadside assistance today, it was their TripTiks, introduced in 1937, that revolutionized road trips.  These custom-made maps charted detailed routes, pinpointed interesting attractions, and even offered safety advice. For families venturing out on vacation, TripTiks became an essential tool, ensuring they knew exactly where to go and what hidden gems awaited them along the way.

In addition to TripTiks, the AAA TourBook, was the go to guide for hotels, motels, restaurants, and gas stations across various regions. These books were invaluable, providing not only addresses and phone numbers but also reviews, price ranges, and amenities. However, the information could quickly become outdated, leading to occasional surprises.

Navigating to these locations was another challenge. Families had to plot their routes on paper maps, which required careful attention to detail and a good sense of direction. Map reading became a crucial skill, and having a designated navigator in the car was often essential.

Despite meticulous planning, it wasn't uncommon for families to face unexpected detours or arrive at their destinations only to find that a hotel was fully booked or a gas station was closed. These situations require flexibility and quick thinking. Sometimes, it meant driving further down the road to find the next available option or asking locals for recommendations.

Road Trip Evolution: From Maps to Magic

The lack of real-time information made these trips feel more adventurous but also more stressful. thankfully, the introduction of GPS ushered in a new era, replacing the days of bulky maps and dog-eared travel guides with the convenience of digital tools that could guide us to the nearest station, and beyond. GPS navigation replaced wrong turns with turn-by-turn guidance and real-time traffic updates, making getting lost a distant memory. Trips became efficient, stress-free, and even safer.

Smartphones took it a step further. Apps like Google Maps and TripAdvisor provide everything from gas stations to attractions at your fingertips. Families can now be spontaneous, with real-time reviews helping them find the best places to eat, sleep, and explore – making every adventure more enjoyable.

While it’s fun to look into the past to see how far we’ve come, choosing the right car for your family vacation is just as important today. The right vehicle can make all the difference in ensuring a comfortable, enjoyable, and stress-free journey for everyone. Here are some key considerations when selecting the perfect car for your next family adventure:

Space and Comfort

One of the most important factors is ensuring that there is enough space for both passengers and luggage. Long road trips require ample room to stretch out and relax. Look for vehicles with spacious interiors, adjustable seating, and plenty of cargo space. Features like captain's chairs, third-row seating, and foldable seats can provide added flexibility and comfort.

Advanced Safety Features

Safety is paramount, especially when traveling with family. Modern cars come equipped with advanced safety features that can significantly enhance your peace of mind. Look for vehicles with adaptive cruise control, lane-keeping assist, blind-spot monitoring, and automatic emergency braking. These features can help prevent accidents and ensure a safer driving experience.

Entertainment Options

Keeping everyone entertained during long drives is essential. Modern vehicles offer a variety of entertainment options to keep passengers occupied. Look for cars with built-in entertainment systems, such as DVD or Blu-ray players, rear-seat screens, and connectivity options for streaming devices. Wi-Fi hotspots and multiple USB ports can also be a lifesaver for keeping devices charged and connected.

Fuel Efficiency and Reliability

Fuel-efficient vehicles, including hybrids and electric cars, are excellent choices for long road trips. They offer better mileage, which means fewer stops for gas and more savings. Additionally, environmentally friendly options help reduce your carbon footprint. Regular maintenance is also crucial to ensure your vehicle is in top condition and ready for any adventure. Make sure to check tire pressure, oil levels, and other essential fluids before hitting the road.

Don't Let Your Current Car Be the Bump in Your Next Road Trip!
Ready to create lasting memories with your family? Ditch the outdated navigation methods and cramped quarters. It's time to find the perfect car for your next adventure!  Your dream vacation awaits – make sure your car is ready to join the journey! Stop by or call us today. Our experts are here to assist you along the way.

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Hit the Road in Style With These Must-Haves Accessories

As a car dealer, we understand the excitement and anticipation that comes with planning a road trip. The stories customers tell are not only fascinating but give us insight as to what you will need on the road.

Being prepared can make all the difference between a smooth, enjoyable journey and a stressful one. That's why we've compiled a list of must-have car accessories to enhance your next adventure:

Essentials for Safety and Preparedness:

• Emergency Kit: This should include essentials like jumper cables, a flashlight, a first-aid kit, a fire extinguisher, and flares. Consider adding a roadside assistance plan for added peace of mind.

• Road Atlas or GPS: While GPS navigation is readily available on smartphones, having a physical backup ensures you're never without directions, especially in areas with limited cell service.

• Car Phone Charger: A reliable car charger is crucial for keeping your phone powered on for navigation, entertainment, and emergencies. Consider a car charger with multiple USB ports to keep multiple devices charged. You should also consider an external battery that can charge devices without having to rely on electricity or the car itself.

Enhancing Comfort and Convenience:

• Seat Gap Organizer: This handy accessory prevents items like phones, keys, and wallets from falling into the abyss between your seat and the center console.

• Car Phone Mount: A phone mount allows you to safely and conveniently use your phone for GPS navigation, hands-free calling, and music streaming while keeping your eyes on the road.

• Cooler: A small cooler is a great way to keep drinks and snacks cold on long journeys, especially if you're traveling with children or pets.

• Sunshades: Window sunshades help keep your car cool and protect passengers from harmful UV rays, especially important for long drives during the summer months.

Keeping Passengers Entertained:

• Headrest Tablets or Portable DVD Players: These keep passengers, especially children, entertained throughout the trip.

• Car Games and Activities: Pack some classic car games, travel journals, or activity books to keep everyone engaged and prevent boredom on long stretches of road.

Bonus Tip:

Consider investing in a cargo bag or roof rack if you're anticipating extra luggage or gear for your trip. This will help you maximize space and keep your car organized.

Remember: While these accessories can add comfort and convenience to your road trip, the most important element is ensuring your car is in top shape. Schedule a pre-trip inspection at your dealership to ensure your vehicle is up-to-date on maintenance and ready for the adventure ahead.

By having the right car accessories and ensuring your car is in good condition, you can set yourself up for a safe, enjoyable, and memorable road trip!

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A Car Dealer You Can Count On!

If you’re in the market for a used car, look no further than our premier used car dealer. With an extensive inventory of reliable and high-quality vehicles that have been thoroughly inspected to guarantee customer satisfaction, we provide a hassle-free experience so you can easily find the perfect car for you or your family. We make it our mission to exceed expectations and provide each customer with personalized attention and exceptional service. Whether you’re looking for something small and economic or luxurious, we are sure to have something within your budget as well as fitting all preferences. So if you need a great ride at an even better price, let us be your go-to used car dealership!

Need Auto Financing? We Can Help!

Are you ready to purchase a car but feeling overwhelmed by the financing process? Car financing can seem daunting and complex, especially for first-time buyers. Fortunately, there are lots of resources out there that can help simplify the process so you can get your dream car with ease. Take advantage of our car loan calculator and make smart decisions when it comes to navigating the innovative world of cost-effective car financing!

Highly Rated Car Dealer

With so many car dealerships to choose from, it's important to know how to assess a dealership's reputation before you make a purchase. Not all car dealers are equally reputable and trustworthy; some may have unreliable customer service or wonky products that could leave you feeling frustrated and disappointed with your purchase. So, if you're in the market for a new set of wheels, read on for tips that can help you determine which dealer will provide the best value and experience as well as ensure an enjoyable buying experience.

Looking To Sell Your Car in? We Want It!

Are you thinking about selling your car? There are many reasons why someone may decide to sell their vehicle, ranging from needing cash in a pinch to wanting a newer model. Selling your car can seem like a daunting task, but it doesn't have to be with the right information and planning. Fill out our easy trade form and we will get you the best value for your vehicle. If you are looking for a new car we may not have in stock? Use our car finder and we will help get you into the perfect car.

Come See Us At Our Dealership

Stop by today and meet our staff and learn more about our dealership or feel free to send us a comment.

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