Environmentally friendly cars are usually the big thing in California, but some performance models were unveiled this year, too.
Lamborghini Aventador Roadster
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Lamborghini unveiled its latest model, a convertible version of the Aventador supercar, at a private nighttime party. The 700 horsepower all-wheel-drive V12 car has a 217 mile per hour top speed and a price tag $445,300. The first customers will get theirs in the summer.