Getting 633 miles per gallon (on a bike)

Nicholas Goddard, a recent Duke grad, calculated how many miles he could ride on 31,000 calories (the amount of energy in a gallon of gasoline). While the measurements are a bit suspect (the sci-am podcast discusses the heart-rate monitor he used), just going on orders-of-magnitude, it sounds like we won't be too badly off if nuclear armageddon comes.

Bicycle.com article; Sci-am podcast; Author's blog