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There probably isn't any one passenger vehicle on earth that earns more ire from environmentalists than the Hummer H2. While the reality of the matter is that most Hummers aren't really much worse when it comes to fuel mileage and overall emissions than any other giant SUV (most civilian Hummers are, in fact, based largely on truck platforms from General Motors) the brand has seemingly been made into the poster child of American excess.

Rush Limbaugh in Jay Leno's Green Car Challenge - Click above to watch the video after the break

Rush Limbaugh in Jay Leno's Green Car Challenge - Click above to watch the video after the break

2010 Buick LaCrosse - Click above for high-res image gallery

BMW 5 Series Gran Turismo – Click above for high-res image gallery

Aptera 2e final design rendering - Click above to enlarge

RM460 Hyundai Genesis Coupe - Click above for high-res image gallery