GM

Proterra bags $30m from investment group led by Kleiner Perkins Caufield & Byers

Dan Akerson argues additional tax on fuel would be more effective than national efficiency standards

Company's flagship electric car to be available in all 50 states by end of 2011

Ford reveals Focus Electric as General Motors agrees license with US government to improve lithium-ion batteries

Investment in charging mats for personal devices could be adapted to power Chevy Volt

Chevy Volt to feature air deflectors made from old oil booms

Auto giant announces plans to invest $40m in carbon offset projects

Leaked documents suggest European commission proposal is vulnerable to legal actions by biotechnology companies

Soil Association writes to six major UK retailers demanding they identify food products sourced from animals raised on non-GM feed

Energy giant kick-starts largest single EV order with 12,000 Volts