Ford Motor Company today unveiled the world's first drivable fuel cell hybrid electric plug-in that combines an onboard hydrogen fuel cell generator with lithium-ion batteries to deliver more than 41 mpg with zero emissions

Platinum is the most efficient electrocatalyst for accelerating chemical reactions in fuel cells for electric vehicles. In reactions during the stop-and-go driving of an electric car, however, the platinum dissolves, which reduces its efficiency as a catalyst. This is a major impediment for vehicle-application of fuel cells.

The Chevrolet Volt concept sedan, powered by the E-flex System - GM's next-generation electric propulsion system - could nearly eliminate trips to the gas station