This photo shows US Energy Secretary Steven Chu (L center) as he talks with General Motors Chairman and CEO Ed Whitacre (C) and other elected officials after the first Chevrolet Volt battery came off the assembly line at the GM Brownstown Battery plant in Brownstown Township, Michigan on January 7, 2010. The facility is the first lithium ion battery pack manufacturing plant in the U.S. operated by a major automaker. Image by Jeffrey Sauger/AFP/Getty Images.
This photo shows US Energy Secretary Steven Chu (L center) as he talks with General Motors Chairman and CEO Ed Whitacre (C) and other elected officials after the first Chevrolet Volt battery came off the assembly line at the GM Brownstown Battery plant in Brownstown Township, Michigan on January 7, 2010. The facility is the first lithium ion battery pack manufacturing plant in the U.S. operated by a major automaker. Image by Jeffrey Sauger/AFP/Getty Images.
BROWNSTOWN TOWNSHIP, MI - JANUARY 07: U.S. Secretary of Energy Steven Cho (L), General Motors Chairman and CEO Ed Whitacre (C), and Michigan Governor Jennifer Granholm pose with the first battery pack for the General Motors Chevrolet Volt extended-range electric vehicle to come off the assembly line January 7, 2010 in Brownstown Township, Michigan. GM is the first major automaker to manufacture an advanced lithium-ion battery pack in the U.S. Image by Bill Pugliano/Getty Images.
BROWNSTOWN TOWNSHIP - JANUARY 7: General Motors Chairman and CEO Ed Whitacre (right) and applauds as the first battery pack for the Chevrolet Volt extended-range electric vehicle comes off the assembly line January 7th, 2010 in Brownstown Township, Michigan. GM is the first major automaker to manufacture an advanced lithium-ion battery pack in the U.S. Image by Bill Pugliano/Getty Images.
BROWNSTOWN TOWNSHIP, MI - JANUARY O7: A battery pack for the General Motors Chevrolet Volt extended-range electric vehicle sits on display on the assembly line at the GM Brownstown Battery Pack Assembly Plant January 7, 2010 in Brownstown Township, Michigan. GM is the first major automaker to manufacture an advanced lithium-ion battery pack in the U.S. Image by Bill Pugliano/Getty Images.
BROWNSTOWN TOWNSHIP, MI - JANUARY 07: A battery pack for the General Motors Chevrolet Volt extended-range electric vehicle sits on display on the assembly line at the GM Brownstown Battery Pack Assembly Plant January 7, 2010 in Brownstown Township, Michigan. GM is the first major automaker to manufacture an advanced lithium-ion battery pack in the U.S. Image by Bill Pugliano/Getty Images.
