At the 2007 North American International Auto Show in Detroit, General Motors unveiled the Chevrolet Volt concept, the company's first plug-in hybrid vehicle, The Chevy Volt concept car is the first vehicle to use GM's new E-flex family of propulsion systems. According to GM test, the new Chevy Volt offers triple-digit fuel economy and can travel up to 640 miles without a stop at the gas station or the electric outlet.
The Chevy Volt concept car represents a new way of thinking for American automobile manufacturers, By leveraging the E-flex propulsion system and a variety of other promising new technologies, Chevy has created an automobile perfect for short commutes, 60 mile trips and long drives. According to GM's calculations, the Volt would save the typical driver 500 gallons of fuel a year, amounting to a net cost savings of $900 (assuming gas costs $2.40 a gallon). The addition to a home electric bill would be about $300.
