Most of it, we've already changed to using a type of fuel that doesn't requie oil cracking, only problem is its very expensive to make.

And all our juice comes from wind and hydro electricy we have 60,000 lakes so we have a lot of juice. We stoped using coal in the 50s.. we're in the top 3 cleanest developed nations though we still use oil.

And there are 28 patents for fusion power, all have never been fully investigated.

They've already built the hydrogen car.. well the engine and it works, only problem is looks like 50 mph will be your top speed... and of course no smoking...