Toyota sought to settle the debate about whether people who drive plug-in hybrid cars should charge them regularly.

Plug-in hybrid cars have become more popular recently, as automakers have had to come up with a quick way to meet tightening emissions restrictions, all while having to deal with the ever-changing ...

You might want to start saving up if you're looking for a plug-in hybrid. These cars, equipped with an internal combustion engine to take over when the battery powering the vehicle runs out of juice, ...