The plug-in hybrid could communicate with utilities to optimize power use.
Energy Secretary Steven Chu meets with proponents of a troubled clean-carbon project.
Mazda admits that it lacks the cash required to field its own hybrid technology.
The car is designed with battery-swap stations in mind to extend its range.
BP Chief Scientist, Steven Koonin, would bring a sense of urgency to DOE.
The guarantee could help Solyndra, a solar cell company, scale-up production.
North African solar energy plans put on hold.
A startup reveals details of its plan to replace lithium ion batteries in electronics.
The optional solar roof on Toyota's 2010 Prius may not provide a watt of mobility.
Automakers tout EVs but also believe that conventional cars will dominate for decades.