Volt Plug In Day

Manwai Wright (right) and her husband Mark Wright charge their Chevy Volt Saturday, September 22, 2012 at Capitol Chevrolet in San Jose, California. Chevrolet Volt owners celebrated National Plug-In Day at nine Chevy dealerships across the country to highlight the environmental, economic and other benefits of plug-in electric vehicles. (Photo by Martin Klimek for Chevrolet)