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.

Some of the latest gasoline engines to hit the market are super-efficient, thanks to their engineers playing with a little thing called compression ratio.

Whether it's a tiny city car with a direct-injected engine or a supercar with a "push to pass" hybrid booster button, these technologies promise that the future of driving will still be fun.

Reducing your vehicles carbon footprint is as easy as 1...2...recycle. Learn more about the 6 automotive parts you can easily recycle.

As a long time automotive writer and enthusiast I am often amazed at the prices mechanics charge for simple repair work that most anybody could do themselves. Learn more about the 6 DIY automotive repairs anyone can do.

Owning jumper cables is like owning a truck. When you own a truck, people seem to cozy up to you when they are moving. Learn more about the 6 great car battery maintenance tips.

Did you know that many insurance companies figure most vehicles on the road have only 10 years of useful life before being carted off to the junkyard? Learn more about the 7 ways to make your whole vehicle last longer, from wheels to wipers.

There are a lot of lids in this fast-paced, modern world. There are lids for ketchup bottles. Learn more about could your gas cap be costing you money.

DIY Vehicle Care: Spark plug vs. Fuel economy, Part I. In this aritcle learn the differences between spark plugs and fuel economy.

Get money for your old car batteries. Learn how you can get money for your old car batteries from this article.

Synthetic vs. Conventional motor oil: Which is best for you needs and environment's? Learn more in this article.

Here are seven easy ways to reduce your emissions without affecting the quality of your daily commute. Learn more about the top 7 ways to reduce your driving emissions without reducing quality of life.

Are there worrisome sounds coming from under the hood? Whether it's an annoying ping, a persistent knock, or a dramatic detonation, there are many ways to soothe a noisy engine.

As engines have evolved over the years, so have the pistons within them. In fact, the shape of a piston has a dramatic effect on the combustion process.

Lasers have an illumination power that's about 1,000 times more powerful than LEDs. So, will laser-powered headlamps be too intense for other motorists? Are they a traffic incident waiting to happen?

Did you know that if your car didn't come from the factory with refrigerated seats, there are several manufacturers that would be happy to sell you air-conditioned seat cushions?

At one time, gadgets designed to keep us informed and entertained while on the move came from the automotive aftermarket. Now automakers are providing complex, digitally connected gizmos as factory equipment.

In a world that seems hyperconnected already, are cars the next things to go wired with Internet access?

These days, the majority of the music we listen to is streamed from the Internet and stored on our computers and smartphones. But is there a way we can access online music in our cars and trucks?

Is it possible to talk to your car the way Michael Knight talked to KITT on "Knight Rider"? Perhaps so, if you learn how to sync your smartphone with your Trans Am.

Filling up the tank still hurts, especially while on a road trip. So how can you do it without breaking the bank?

If you've got the right gadgets, you can already use voice commands to control things like your GPS and phone from the driver's seat. How close are we to voice activation as an affordable car option -- and what we will we say when we have it?

The main purpose of a tire sidewall is to provide lateral stability. You can learn more about the functions of a tire sidewall by reading this article.

Turbocharged cars have forced induction systems that compress the air entering the engine. Learn about the type of induction systems that turbocharged cars have in this article.

Manual transmission synchronizers are devices that eliminate the need for double clutching when changing gears. Learn how manual transmission synchronizers work in this article.

Once a tire has all its components assembled, it’s still only a green tire, without any tread patterns or markings. You can learn more about a tire’s vulcanization process from this article.