Cheaper gas might be nice for your wallet in the short term, but if oil prices plummet (and it looks like they might) what will that do to the quest for renewable energy?

The electric car that (might) change how we think about driving goes on sale tomorrow. Here’s what it takes to put one together.

Are you driving an SUV? At one Boston lot, it’s going to cost you a lot extra to park.

The gas pump conveniently displays exactly how much a full tank costs. Plugging your EV in means a fill-up is mixed in with the rest of your electric bill. But a new app lets you calculate exactly what you're paying (and saving).

Maybe. But keep in mind that your other car is filled with a flammable liquid and bursts into flames very, very frequently.

Is this the solution the U.S. Postal Service needs to reach solvency? Probably not, but German mail carriers will soon have a faithful truck that stays close by, without anyone in the driver's seat.

A new survey of drivers found that most drivers think electric cars could solve all of their needs. So why aren't they buying them?