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.

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?

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?

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?

When you hear the word "diesel" you probably imagine something along the lines of a Mack truck. But what do powerful diesel engines actually look like? Check out this image gallery to see the cutting-edge diesel engines in development today.

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.

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 Chevy 265-cid V-8 was a performance favorite for two generations. It was considered a benchmark engine design for its days. Learn about the history and specs of this marvelous engine.

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.

The high-revving 409 Chevy V-8 was a favorite of racers and hot rodders. Its most glamorous home was in the lmpala Super Sport. The 409 was the standard-bearer in full-size Chevys until 1965. Learn more about it.

After doing surprisingly well in a 500-mile race at the Daytona International Speedway, the 396 Chevy V-8 was created as a high-performance option for the Chevelle and Corvette. Learn more about one of Chevy's milestone performance engines.

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.

Lowriders are decked-out cars with lowered suspensions that rumble, growl and even dance their way to parks, streets and cruise-ins. So how do you lower and raise a car's suspension?

People drive underwater all the time in movies. But this isn't the movies. In reality, your car would stop running almost immediately.

Engines need a certain amount of oxygen to make the car run. Exactly how much is needed? And if an engine used more, what would happen to the car?

Most cars have a 120-horsepower engine, and SUVs have a 200-horsepower engine. But mopeds have a 1-horsepower engine, and they get great gas mileage, too. So why can't I put the small engine in the big car?

Car accidents occur often at night, and part of the reason might be that your headlights just aren't good enough. Adaptive headlights alleviate the visibility problems you experience every time you take the car out after dark.

You probably know that any car with a manual transmission has a clutch -- it connects and disconnects the engine and transmission. But did you know that automatics have clutches, too?

For more than 100 years, vehicles have used pneumatic, or air-filled, tires. Michelin's alternative is the Tweel Airless Tire. Could it replace traditional tires?

Ford's Sync system pioneered many of the mobile connectivity features that are now commonplace in new cars. However, you don't necessarily need to be a social media fanatic to enjoy all the benefits Sync has to offer.

If you have a lead foot you may have invested in a radar detector. Find out how these devices pick up police radar and lidar and learn what a jamming signal does.

The GMC PAD is basically a futuristic motor home -- part apartment, part vehicle, and part telecommunications center.