General Motors plans this year to test prototypes of the Volt that will use GM's OnStar system for charging batteries at off-peak times. Martin LaMonica is a senior writer covering green tech and ...

If there’s one thing that seems to confuse people about the new Chevy Volt, it’s fuel economy. What kind of mileage does the plug-in hybrid Volt get, and how does that compare to other cars, from ...

Another blow for the Chevy Volt. The Department of Energy released its 2014 fuel economy guide, complete with a list of fuel economy leaders, and yet again, the Volt didn’t make the list. In fact, the ...

A lot of people were excited about the Volt concept and were a bit shocked to learn that the design we saw was not the design we'd get. What we have here, in a press release about wind tunnel testing, ...