Cadillac Converj Concept Introduction at 2009 NAIAS

General Motors Vice Chairman Bob Lutz drives up in the Cadillac Converj electric luxury coupe concept - making its world debut - at the North American International Auto Show in Detroit, Michigan Sunday, January 11, 2009. The four-passenger vehicle will provide up to 40 miles of gas-and-emissions-free electric driving with extended-range capability of hundreds of miles. (Photo by Steve Fecht for General Motors) (United States)

Cadillac Converj Concept Introduction at 2009 NAIAS

General Motors Vice Chairman Bob Lutz introduces the Cadillac Converj electric luxury coupe concept at the North American International Auto Show in Detroit, Michigan Sunday, January 11, 2009. The four-passenger vehicle will provide up to 40 miles of gas-and-emissions-free electric driving with extended-range capability of hundreds of miles. (Photo by John F. Martin for General Motors) (United States)

Cadillac Converj Concept Introduction at 2009 NAIAS

General Motors Vice Chairman Bob Lutz (left) arrives in the Cadillac Converj electric luxury coupe concept - making its world debut - at the North American International Auto Show in Detroit, Michigan Sunday, January 11, 2009. The four-passenger vehicle will provide up to 40 miles of gas-and-emissions-free electric driving with extended-range capability of hundreds of miles. (Photo by John F. Martin for General Motors) (United States)

Cadillac Converj Concept Introduction at 2009 NAIAS

General Motors Vice Chairman Bob Lutz introduces the Cadillac Converj electric luxury coupe concept at the North American International Auto Show in Detroit, Michigan Sunday, January 11, 2009. The four-passenger vehicle will provide up to 40 miles of gas-and-emissions-free electric driving with extended-range capability of hundreds of miles. (Photo by Steve Fecht for General Motors) (United States)

Cadillac Converj Concept Introduction at 2009 NAIAS

The Cadillac Converj electric luxury coupe concept makes its world debut at the North American International Auto Show in Detroit, Michigan Sunday, January 11, 2009. The four-passenger vehicle will provide up to 40 miles of gas-and-emissions-free electric driving with extended-range capability of hundreds of miles. (Photo by John F. Martin for General Motors) (United States)

Cadillac Converj Concept Introduction at 2009 NAIAS

General Motors Vice Chairman Bob Lutz introduces the Cadillac Converj electric luxury coupe concept at the North American International Auto Show in Detroit, Michigan Sunday, January 11, 2009. The four-passenger vehicle will provide up to 40 miles of gas-and-emissions-free electric driving with extended-range capability of hundreds of miles. (Photo by John F. Martin for General Motors) (United States)

Cadillac Converj Concept Introduction at 2009 NAIAS

at the North American International Auto Show in Detroit, Michigan Sunday, January 11, 2009. The four-passenger vehicle will provide up to 40 miles of gas-and-emissions-free electric driving with extended-range capability of hundreds of miles. (Photo by Jeffrey Sauger for General Motors) (United States)