General Motors is following a handful of other automakers and battery firms in developing mixed-chemistry battery packs for electric vehicles. GM laid out its version of this concept in a patent ...

GM is pushing forward with signing development contracts in the hope that battery packs which meet the criteria will emerge during 2007. Along with the recent unveiling of the breakthrough Chevy ...

General Motors is proud of its battery lab in Warren, MI, where a lot of work was done to bring the lithium-ion Chevy Volt pack to life. The crazy (and crazy expensive) Voltec development rush ...