There are other good ideas to fuel cars, but that will only mean that it is ok to pave the Earth, maybe a world designed that does not need cars, or at least down 85%. Now work into the cleanest fuel. We might even call it progress.
Good Ideas to efficiently keep doing the same stupid things, is not progress.
This is a message from our Minister For More Unemployment who asks "What do you have in your walmart garbage can"? And remember, March 21st is World Buy Nothing Day, save up for it.