Why Do Semi-Trucks Use DEF, And When Did It Become Mandatory?
DEF stands for diesel exhaust fluid, and it is mandatory for all semi-trucks to use it in the United States. Here's why and what exactly it does.
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How Are Heavy Semi-Trucks Jacked To Change Tires?
You may carry a jack in your car's trunk in case of a flat tire, but your car is many times smaller than a semi-truck. How do their drivers jack them up?
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The Unexpected Breakfast Item You Might Not Know Volkswagen Makes
Did you know Volkswagen makes more than cars? Discover the surprising breakfast item they produce and the fun story behind it.
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These 4 Common Mistakes Could Ruin Your Engine
While you might not think much of these typical driver tendencies, these mistakes could incur serious harm to your engine over long-term ownership.
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2025 Chevrolet Blazer EV SS First Drive: Worth The Wait, But No Track Star
Chevrolet's Blazer EV gets some serious power, as we finally get to test the long-awaited SS version. But has Chevy done more than deliver an uptick in torque?
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How Much Ethanol Is In 87 Octane Gas? (And Can You Use 85 Octane Instead?)
You're probably familiar with the term E87 gasoline, but how much ethanol is actually in it? Here's everything we know about that (and 85 Octane as well).
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Butterfly Vs. Scissor Doors: What's The Difference Between Them?
There's nothing quite as cool as opening a vertical car door and stepping out, but is there a real difference between butterfly and scissor doors?
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Does Cummins Make Train Engines?
For a train to move and gain speed, it has to have a powerful engine running it, and Cummins is one of the most powerful diesel engines on the market.
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How To Clean Tinted Car Windows (Inside And Out)
While cleaning standard automobile windows is fairly straightforward, tinting can add a new layer to things, especially if it's aftermarket tint.
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What Is The Lawsuit Against The Toyota Mirai About & Where Was It Filed?
Toyota promised a zero-emissions future when it launched the Mirai in 2014. However, a lawsuit means it's now gaining attention for all the wrong reasons.
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Toyota Connected Services: Here's What They Cost (And If They're Actually Worth It)
With new car models, there are subscriptions customers can choose from. Toyota has its Connected Services, here's whether they are worth paying for.
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The 7 Most Unsuccessful Lexus Vehicles Ever Sold
Lexus has made some of the most popular luxury cars of the last few decades, but while its designed have pushed the envelope, they haven't all been winners.
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3 Luxury SUVs You Should Avoid When Shopping For A Used Car
Just because an SUV costs a lot of money and comes from a luxury brand doesn't mean it's reliable or safe. Here are some luxury SUVs you'll want to avoid.
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Why Toyota Discontinued The C-HR In The US After 5 Years
Toyota originally decided to take the shiny new C-HR into its loving arms for the 2018 model year, but it had a short life.
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Why Do Dragsters Do Burnouts? Here's Why They're Useful
If you've ever been to a drag race, you have seen drivers do burnouts just before the race begins. Why do drag racers smoke their tires before races?
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What Does MPGe Mean, And How Is It Different From MPG?
Confused by MPGe vs MPG? Learn what MPGe means, how it's calculated, and how it compares to traditional miles per gallon ratings.
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Why Objects In Your Car's Side Mirror Are Closer Than They Appear
Ever wonder why objects in your car’s side mirror appear farther away? Learn the science behind this warning and how convex mirrors affect perception.
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5 Cheap Car Battery Jump Starters With Good Reviews
Every person who owns a car should have a jump starter in case of an emergency. If you need one, here are the best options according to reviews.
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Synthetic Vs. Mineral Oil: What's The Difference In How They Perform?
When shopping for motor oil, you'll probably notice that some are mineral while others are synthetic. What's the difference between these two types of oil?
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How Much HP Does The Nissan 400Z Have? (And What Is Its Top Speed?)
Nissan's seventh-generation Z packs a lot more horsepower than its predecessor, making it one of the fastest Nissans ever. Here's how the numbers stack up.
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How Much Fuel Do F1 Cars Use In A Single Race?
Curious how much fuel an F1 car burns in a race? Discover the fuel limits, efficiency strategies, and how teams manage consumption on track.
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Why Don't Some New Cars Come With Gas Caps Anymore?
Ford and General Motors are just two of the automakers who've done away with gas caps in favor of capless fuel systems in many models.
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What Does The Red Key Mean On A Hellcat? (And How It's Different From Black)
Dodge's SRT Hellcat muscle cars come with two key fobs: red and black. Here's what the red key does and what sets it apart from the black key.
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Why Do V6 And V8 Engines Sound So Different?
Ever wondered why a V8 rumbles and a V6 whines? Well, you'd better concentrate, because it's more complicated than you may think.
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Synthetic Blend Vs. Full Synthetic Oil: What's The Difference To Your Engine?
Synthetic blend and fully synthetic oils are both improvements over conventional motor oil, but how do these more premium oils benefit your car's engine?
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8 Of The Weirdest Hondas Ever Designed
Honda has a reputation for staid and reliable pillars of the car community, but what happens when Honda designers exercise a little weirdness?
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Why Don't School Buses Have Seat Belts? (And Are They Safe For Kids?)
While you might expect school buses to have similar safety features to cars, but most don't even have seatbelts. Why not, and is it a good idea to add them?
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