Many drivers wonder if they should turn off their engines while waiting at red lights to save fuel. Research shows that turning off a warmed-up engine for stops lasting just 10 seconds or longer can ...

Even though car engines have come a long way, many people still insist on warming their vehicles before driving in cold weather. But is it necessary? Here's what the experts have to say.

From speed management to minimizing idling, these driver tips highlight simple ways fleets can improve fuel economy without new equipment.

Smaller, more powerful and fuel-efficient engines don’t seem to have great long term reliability. Engine recalls from major automakers such as GM, Toyota and Honda have cost billions of dollars. Moves ...

Having fuel injectors on all mass-produced vehicles is one of the biggest automotive breakthroughs of the past few decades. If you've ever gone through having to start an engine with a poorly tuned ...