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L.A. floor show

The Venturi Fetish is called the world’s first production electric sports car. It can go zero to 60 in 6 seconds. (BEATRICE DE GEA / LAT)
The Mercedes-Benz CLS55 includes some high-tech performance characteristics courtesy of the automaker’s AMG division. The automobile made its debut at the L.A. Convention Center show. (BEATRICE DE GEA / LAT)
The new Ford Mustang convertible, when matched with an available 300-horsepower V8 engine, sells for about $30,000. (BEATRICE DE GEA / LAT)
Chevrolet debuts its HHR (Heritage High Roof), which is powered by either a 2.2- or 2.4-liter Ecotec engine. (J. Emilio Flores / Getty Images)
The Hummer H2H is powered by a 6.0-liter V8 linked to a hydrogen tank. That’s in addition to the helpful push from GM’s Robert Lutz and Gov. Arnold Schwarzenegger. (GM / Wieck)
Fascinating, but impractical away from an auto show or test track, BMW’s H2R hydrogen race car has a 6.0-liter, 12-cylinder engine. (Susan Goldman / EPA)