Hybrids aren't the only option for consumers looking for fuel-efficient 2011 new cars.
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Two fast sedans make supercars look like super chumps
We've seen the Audi Sport Quattro Concept in images, but now we can see the 700 hp supercar in motion.
When Audi launched the R8, a racecar turned production vehicle in 2006, company execs knew customers would want it.