[John Jamieson]

All that is wonderfully true. Looks like the same numbers I used. What calculation do you think is wrong?

A hydrogen based economy is surely possible with massive nuclear power, but not otherwise. It would really be a nuclear economy, but I guess hydrogen sounds better.

Nuclear would be the real energy source and hydrogen is an energy carrier. A large nuclear plant could condense co2 out of the air, release the oxygen and put the carbon back into old coal mines, acting like a real plant! The electricty would would put on the grid or used to make H2 from water. We'd have to watch the total amount of 02 polution we made!

[Old Professer]

I'm not disagreeing with you generally; you had carbon as 14, 1KW as 1HP when it normally requires nearly 2HP, and 1 gallon of gasoline the equal of 2 pounds of hydrogen (since hydrogen has, gram for gram about 41/2 times the energy as gasoline, 2 pounds of H would equal about 11/2 gallons of gasoline in the combustion process) hydrogen separated from gasoline would yield about .188*6.6 pounds or 1.24 pounds H.