Big oil has been suppressing alternative energy applications for years in order to maintain their dominance and control.
What would happen if we actually ran out of fossil fuels they would switch to the technology's that they have been keeping quite. A good example is the documentary "Who killed the electric car".
I’ll have to check that out- I Watch a ton of documentaries but I’ve never seen that one!
Your right though, and this is going to happen at some point. It’s just hard to say when...