Chevrolet Volt - GM's Concept Electric Vehicle - Could Nearly Eliminate Trips To The Gas Station 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. The Chevrolet Volt is a battery-powered, four-passenger electric vehicle that uses a gas engine to create additional electricity to extend its range. The Volt draws from GM’s previous…