I think we all know that oil reserves are just going to go dry, and it really is just a matter of time. I'm not certain how long our fossil fuels will last, but it is possible to have very large gas mileages. Apparently, Shell has Eco-marathon Americas competition, which allows student teams to race against each other with energy-efficient vehicles that they build. This … [Read more...] about Gas mileage: Just give us more already!