Under the Hood
The Under the Hood Channel explores the systems that make your car function correctly. Learn about car parts and systems and how to do routine maintenance.
10 Popular Car Modifications
10 Car Accessories That Could Be Dangerous
What makes certain car accessories unsafe (or even illegal)?
Modern Cars Are Kind of Boring. Why Is That?
Can car companies let known defects go without a recall?
Do car interiors turn toxic in the summer?
Making a Car Last for 300,000 Miles Is Totally Possible — Here's How
Are cars designed to fail at a certain point?
Will it hurt to spray electrical contact cleaner in an ignition?
What's the Fastest Car in the World?
Is Your Junk in the Trunk or the 'Frunk'?
The GM Car That Has No Steering Wheel or Pedals
The Long Strange History of License Plates in the U.S.
Do red cars get pulled over more often for speeding?
Are extended car warranties worth it?
8 Signs to Identify Bad Fuel Pump Symptoms
All You Need to Know About Bad Alternator vs Bad Battery
How to Diagnose and Fix a Brake Fluid Leak
Why the V Engine Remains a Top Choice for Car Enthusiasts
How Gas Compression-ignition Engines Work
Did cars ever have external combustion engines?
Diesel Isn't Always a Worse Polluter Than Gasoline
How Coal Rollers Work
How Much Air Pollution Comes From Cars?
10 Cold-weather Motorcycle Accessories
Is all motorcycle apparel made of leather?
What motorcycle accessories will help me stay cool?
How Laser-powered Headlights Work
How Air-Conditioned Seats Work
5 Useful Voice-activated Commands for Your Car
How to Avoid a 'Hurricane Car'
6 Automotive Parts You Can Easily Recycle
10 Places to Look for Classic Car Parts
How Does Vertical Acceleration Work?
How Car Suspensions Work
How Car Steering Works
How Differentials Work
Why the Stick Shift Is Going Extinct
Gas-powered vs. Electric Cars: Which Is Faster?
The Dirty Truth About How Often You Need Your Oil Changed
How to Replace Your Car's Alternator Belt
Is Your Car Road-trip Ready?
How Many Wheels Are in the World?
Why Do Tires Blow Out More in Summer?
Winter Tires Really Do Make a Difference in the White Stuff
How Automobile Ignition Systems Work
A Beginner's Guide to Ignition Coil Replacement?
Can your car tell you when the light's about to change?
Learn More / Page 15
Have you ever wondered how cars get from the production plant to your local dealership? Believe it or not, there's an entire industry devoted to getting them there.
By Mike Magda
Would you be surprised to learn that automakers are using adhesives to bond components on modern vehicles? We're not talking about the glue you'll find on a typical craft table. These are automotive structural adhesives.
Some of the most insane hypercars have hit the market in the last few years. Whether you have a few million bucks to drop on a new set of sick wheels or not, you definitely want to check out the cars on this list.
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Most race fans dream of slipping behind the wheel of a purebred race car. As it turns out, your own car already has several features that were originally designed for racing. So what are they?
People are bad drivers. But as the DARPA Urban Challenge proves, sometimes cars are, too. Why does a department of the U.S. government conduct an annual race for fully robotic cars?
High gas prices are driving people to look at alternatives to fossil fuels, such as a turbine designed by the father of alternating current, Nikola Tesla.
If your car were skinny enough, you could follow that guy on the bicycle who is threading his way through parked traffic. What a joy that would be. Is there such a car?
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The glory days of the over-sized SUV have ended. The lighter the vehicle, the less fuel it needs to get up and go. How light can a car be?
Sure it'd be nice to have your car ferry you through the morning commute, but that's the stuff of sci-fi dreams, right? You'll be surprised at what driverless technology is already under your hood.
The next time you're at the grocery store, take a moment to glance at the stacked shopping carts -- their space-saving design may be the basis for automobiles of the future.
By Robert Lamb
High gas prices have many of us feeling the pinch, but for truckers, the situation may be even more serious. Can a German visionary transform the semi and get the trucking industry back on the road?
By Josh Clark
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If pressed upon to name features in the luxury cars of the future, Japanese Zen garden might not be the first thing to come to your mind. But perhaps it should be. What concept cars are influencing future autos?
By Josh Clark
Speed is a constant: 100 mph will always be 100 mph. But the source of speed is up for grabs -- especially since we may have reached peak oil. Will high-speed hydrogen or all-electric cars dominate our roads one day?
By Josh Clark
The next time your car won't start and you're cursing the battery, you might want to blame the alternator, too. This coconut-sized car part works with the battery to generate power for your vehicle.
It seems like a logical answer to the climate crisis: capture the carbon dioxide that our cars emit. Is it that simple? And what do sand and silica have to do with it?
By Josh Clark
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We're not just talking about Hollywood cars like K.I.T.T. -- computerized cars are on our roads today. They're outfitted with high-tech features, but why are they called digital?
By Josh Clark
Maybe you budget for oil changes and new tires, but setting aside $1,600 for new headlights is a little steep. If cars are expensive to repair now, what does the future hold?
By Josh Clark
Manual, automatic, sequential, dual-clutch -- these are just a sample of what you'll see in this image gallery. Check out pictures of all types of transmissions right here.
Car engines range from small, economic 4-cylinders to insanely powerful 16-cylinder beasts. Get revved up with full-throttle photos of how they all work.
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Turbochargers increase engine performance without adding much weight. Check out this image gallery to see pictures of how they do it.
Take a look at the powerful engines that made the Corvette, Impala, and Chevelle hi-performance machines. Learn about the history and specifications behind these memorable engines.
The 283 Chevy V-8 has become one of Chevy's most revered engines -- the definitive small-block enshrined by a generation of car enthusiasts who followed. Learn more about the fuel-injected small-block Chevy V-8 that powered the Corvette.
Dubbed "Turbo-Thrust," the 348 Chevy V-8 was the largest and most powerful Chevrolet engine you could buy in 1958-61. These powered some of the most memorable of the "performance" Chevys.
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Available for the Corvette and full-size Chevrolet in 1967, the 427 Chevy V-8 superseded the 396 with its aluminum cylinder heads with enlarged ports, hotter crankshaft, and bigger carburetor. Learn about one of Chevy's milestone performance engines.
Chevy engineers had to bend some of their rules to get as much power out of the Chevy 454-cid V-8. America's "fuel shock" would ultimately sentence big-inch high-performance cars to oblivion. Learn about one of Chevy's milestone performance engines.