Patrick asked: Doesn’t most electricity come from generators that are powered by oil or even coal. If the price of oil goes up, won’t the price of electricity follow? What is the cost per mile for an electric car?

Nick C asked: There is a book called electricity for fuel that sells for like $70 bucks online and they claim that it will show you an easy way to convert any car to electric on a $600 budget. Sounds like BS to me. Anybody know anything about this?

DJ DeanSwift asked: I think GMC have bougth out a silly overpriced hybrid, please, we all know that oil is rubbish and getting more expensive we also know that electric have been made by top car manufacturers as prototypes.I know its about money but please it is really time to move on isn’t it?

WiTcH KiNg asked: Which ones will catch on the most. Ethanol or Hybrid cars or something else. What type of car would a smart person buy today?

jamie68117 asked: What are some different ways that cars can run without gasoline? I know I’ve heard people talk about making cars run out of something made out of corn, and I’ve heard of solar-powered cars.

What other methods are engineers exploring to help conserve oil?