The two gasoline-electric hybrids BMW is introducing to their 7-Series lineup are not your average hybrids. Called the 750i ActiveHybrid and 750Li ActiveHybrid (with a longer wheelbase), they're a breed all their own.

Not only do they come with the federal government's lowest fuel economy rating of all regular-production hybrids. In sports-car-like fashion, they're also the fastest hybrid luxury sedans in showrooms, jumping from 0-62 mpg in a mere 4.7 seconds…