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I would think a lot lot more efficient.
Have a fiddle around with ...sorry, you cannot view external links. To see them, please
REGISTER or LOGIN. I think it's quite good.
you will find that a person riding a bicycle at 15 miles per hour (24 km per hour) burns 0.049 calories per pound per minute. So a 175-pound (77-kg) person burns 515 calories in an hour, or about 34 calories per mile (about 21 calories per km). A gallon of gasoline (about 4 liters) contains about 31,000 calories. If a person could drink gasoline, then a person could ride about 912 miles on a gallon of gas (about 360 km per liter). Considering that a normal car gets about 30 miles per gallon, that's pretty impressive!
Hi ChemThat's better but it's still not a direct comparison because the person is carrying less weight. I suppose what we really need to know is how many miles to the gallon the cyclist could get if he was towing the car. If anyone can find a link for that, you can!
I wonder what the physiological affects of drinking a gallon of biofuel would be..it may not be toxic but I cant imagine it would stay down for very long.
So in reply to your comment "I cant imagine it would stay down for very long" the answer is about four minutes. dead
I'll try and find something when I've got the time John Chapman.
Nobody's addressed me by my full name since my Mum caught me tying up the girl next door. Mind you I was 36 at the time!
Errr... that was John Chapman. 
Oh please John Chapman, don't you start! 
Quote from: John Chapman on 06/03/2009 00:30:29But you must have noticed the smell of cooked cabbage or brussel sprouts? There's some sort of chemical reaction going on here such as some volatile compound which is being created as the vegetables are being cooked. Any ideas?I've noticed this John Chapman! --------Although I am not sure about it smelling like cat poo! [xx(]
But you must have noticed the smell of cooked cabbage or brussel sprouts? There's some sort of chemical reaction going on here such as some volatile compound which is being created as the vegetables are being cooked. Any ideas?
Thanks Brad John Chapman. Now I'll just see what other people have to say, if they decide to say it that is. 
So where's this bloody link, then.
If you eat a lot of beef or other livestock, and want to consider your incremental food as having come from beef, itís around 10 miles per gallon. A Hummer does better!