ORIGINAL: DK challenger
I really hope we won't run out of gas RLSH700, and i really wouldn't put 100% ethanol in a modern car
I'm very sure you won't have to worry about that. We keep finding new supplies all of the time, the challenge is getting it, but technology continues to increase with the price of fuel and we are beginning to tap oil supplies domestically that make Saudi Arabia look bone dry, so I doubt that problem will be within our life time as long as environmentalists stay out of the way. That is the biggest obstacle we have to overcome.