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.

Roaring engines are standard fare at a stock car race. What’s the history behind the horsepower and what are the rules now?

If you've ever driven a car into water that was deeper than you expected, you might have suffered the consequences of a submerged engine. While getting a car engine wet is no big deal, getting water ...

The latest concept is a small four-cylinder running on synthetic fuel that can achieve 71 mpg in an EREV platform.