3. Koenigsegg CCXR
The Koenigsegg CCXR is a mid-engined roadster from Swedish car manufacturer Koenigsegg. The CCXR is powered by a modified twin-supercharged V8 engine from the CCX, converted to use E85 or E100 ethanol fuel as well as standard 98 octane petrol. Purpose of modification is to make the engine flexible with different fuels.
It achieved top speed of over 400 km/h while running on bio fuels like E85 and E100. CCXR is successor to Koenigsegg’s first hyper car CCX with modified flexfuel engine, capable of burning both of normal gasoline and ethanol fuels. The designer of the CCXR, and founder of Koenigsegg, Christian von Koenigsegg is quoted as saying, “Our engineers couldn’t quite believe the figures when we tested the car”. In March 2009 the CCXR was chosen by Forbes as one of the ten most beautiful cars in history.
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