Powered by biofuel, the Koenigsegg CCXR is a new alternative fuel automobile setting out to show how eco-friendly designs can still have plenty of muscle. When building its new car, Koenigsegg made a happy discovery: the ethanol found in biofuel pulls double duty as a coolant in the combustion chambers, and allows for the CCXR's performance to be pushed just a little more. The engineers found that the CCXR even manages to outperform the regular ol' gas-guzzlin' version of itself, the CCX. The green speedster even scored one more honor — the CCXR is the first officially recognized car in production with 1000 BHP, or brake horsepower, a measure of the engine's raw output.

The Koenigsegg CCXR hails from Sweden and will only be produced in limited quantities. — Kevin Hall

Autoblog, via Jalponik