electric car battery

GM Makes a Deal for Cheaper, Longer-Lasting Batteries

The automaker has licensed technology from the Energy Department's Argonne National Laboratory that will boost the performance of lithium-ion battery cells. The next-generation power packs will be made at a new plant in Michigan by Korea's LG Chem.

What's the Volt's MPG? There's No Easy Answer

Have your calculator and utility bill handy if you're keen on buying a Chevy Volt (or Nissan LEAF) and want to compare fuel costs between electric and gasoline cars. The EPA is still grappling with how to provide consumers with ratings comparable to the familiar MPG labels.