car

My friend Carey is a single Portland, Oregon mom with a mortgage, a short commute to a full-time job and two school-age daughters. That translates to a fairly mainstream transportation need. She's also my choice for TreeHugger of the week because as of about two months ago she finally found a way to mothball her Honda and get off the gas roller coaster ride by buying a Zap three-wheeled electric vehicle.

Part of a personal transportation network
Carey is nothing if not pragmatic. She surveyed the small playing field. Of the five electric vehicles currently for sale, Zap seemed the...

BYD, China's biggest battery maker, isn't wasting any time carving its niche in the new world of electric cars and plug-in hybrids. It all started with the F6DM plug-in hybrid sedan, followed by the smaller and less expensive F3DM plug-in hybrid compact car.

Now BYD has introduced its E6 electric car at the Beijing International Auto Show. It takes the shape of a crossover, or MPV, and will be built on on the F6's platform (same as the