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 technology in cars combines an internal combustion engine with an electric motor to improve fuel efficiency and reduce emissions. Let's learn about how hybrid systems work, the different types ...

Hybrids are everywhere now, but why and how? Here’s what matters and what buyers should know.

High-voltage batteries are expensive to replace. Here's what to know if you're wondering how long yours will last.

A hybrid has two batteries, and the bigger one matters more than most drivers realize. Here's what can happen when it fails, plus signs to watch for.

Henry Ford's monopoly on the automobile industry meant that hybrids wouldn't see the light of day for decades.