Quote:
Originally Posted by DBLerman
Judging by my calculations using the energy density of gaseous hydrogen (.0108MJ/L) at the rate you have given, and the energy density of gasoline (34.6MJ/L) at the rate it is used, you're looking at an increase of .2%(rounding up) energy over just using gasoline alone. I'd say that's about 250ft/gal more you will get. Less than a football field.
Note: All of my calculations assume ideal standard temperature/pressure conditions.
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They aren't claiming that the extra power is coming from burning the H2 directly. They say that it increases the efficiency of burning the gasoline.