What's the difference between a parallel, series, and plug-in hybrid, and why do you need to know? Everything about the technology and the vehicles for the shopper or the merely curious.

Hybrid vehicles have only become mainstream choices in the last few years, giving most people the impression that they are fairly recent inventions. The truth is quite the contrary, as the first ...

The original concept of combustion engines as we understand them dates as far back as the late 1800s. And while they are more or less a solved science today, they definitely didn't start that way.

If diesel engines need air for combustion, then how can submarines use them? Here's what you need to know about the clever ...

We may receive a commission on purchases made from links. Is your car misfiring, having trouble starting, or idling rough? Are you wondering if the problem is one of your coil packs? If you're like ...