Leaking pen wrote:
whoops, watch your units. is that the mj per gallon of gas, or per kg?
That was supposed to say gasoline has 42 MJ/kg and 132 MJ/gallon. Gasoline is lighter than water, so 1 gallon weighs 3.1 kg. One U.S. gallon of water weighs 3.8 kg (same as liters - duh).
- Jed
