Hmmm. I seem to see that no matter what we do we're not actually causing oil to last any longer, with gas guzzlers we use up gas a lot but people don't wanna drive their cars all the time for that reason and people with gas sippers drive more cause they spend so little on gas, but because of these reasons we still are using the same amount of gas as normal. Maybe the only real option is find a renewable fuel resource normal gasoline engines can run off of.
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