General Motors (GM) Chairman and CEO Rick Wagoner unveils the E-Flex Fuel Cell variant for the Chevrolet Volt at the Shanghai Auto Show in Shanghai, China, April 20, 2007. This second variant of the E-Flex system uses GM's new fifth-generation fuel cell propulsion technology and a lithium-ion battery to provide up to 300 miles of petroleum and emissions-free electric driving. [Reuters]

(For more biz stories, please visit Industry Updates)