Delphi Automotive is developing an advanced HVAC system that could be used to extend the range of electric vehicles by up to 10 percent. Delphi aims to commercialize its range-extending HVAC system by 2015.

In a recent demonstration at the 2011 Tokyo Motor Show, Nissan showed how its LEAF could power an entire home by being connected to a power control system that's hooked up to the home's electrical system. Nissan says that this system could power a typical home for two full days using the LEAF's battery pack.

One method for determining an automaker's electric vehicle intentions is to examine its electric mobility-related patent filings. But when a potential breakthrough emerges, the big companies are going to file a patent. So, which automakers lead in electric-drive patent filings?

The Volt isn't a vertically integrated GM package--components big and small come from at least 60 suppliers. Here's a look at some of them.

German automaker BMW and Japanese rival Toyota Motor are reportedly working on a deal to cooperate on research and development of lithium-ion batteries for plug-in vehicles.