Combustion engines, the engines in gas-powered cars, only use a quarter of the fuel's potential energy while the rest is lost as heat through exhaust. Now, a study demonstrates how to convert exhaust ...

Officials want to permanently keep helicopters away from commercial jets taking off and landing at a busy Washington, D.C., airport after the deadliest U.S. aviation accident in more than two decades.

Combustion engines, the engines in gas-powered cars, only use a quarter of the fuel's potential energy while the rest is lost ...

Researchers design and test a waste-heat recovery system, illustrated here, that attaches to a car tailpipe and converts heat from exhaust into energy. The fanned grooves on the outside of the pipe ...

With so many places to buy a used car, finding the best one can seem overwhelming. Knowing the pros and cons of each can help. Many, or all, of the products featured on this page are from our ...

What We're Losing Are the People' J.J. Watt Proposes Harsh New Name for Pro Bowl Games After Wave of Opt-Outs Do You Really Need To Warm Up Your Car Before Driving It In The Cold? The JFK files ...

Executive Editor David Carnoy has been a leading member of CNET's Reviews team since 2000. He covers the gamut of gadgets and is a notable reviewer of mobile accessories and portable audio ...

Insurance isn’t the most exciting facet of car ownership, but it’s one of the most important. Your policy is designed to protect you from financial calamity in the event of a collision or ...

You might think that every family looks for an SUV these days, but there are still thousands out there who prefer a more traditional family car. And for these buyers there’s still a huge choice ...

In a country with around 1.4 billion people, spotting a scratch-free car feels as rare as finding a unicorn. We’ve normalised it so much that instead of improving our parking game, we just sigh ...

Valérie André, a French military officer, brain surgeon and licensed pilot who was believed to be the first woman to fly helicopter rescue missions in combat zones — during the French ...