General efficiency thread?
 

...of a 1, 0 0 0, 0 0 0 watts of power for a production car? Koenigsegg One: 1 has a whopping 1,342 horsepower and earth-twisting 1,011 lbs ft torque, twin-turbo V8 in its engine bay beautifully and completely wrapped by carbon fiber. It has broken the magic number of one-to-one power-to-weight ratio; one horsepower per kilogram!!! Only six will be released to the world..or private museums.

http://www.youtube.com/watch?v=aGrYPWsHYbw