I agree. We should be funding warm fusion, cold fusion, and nuclear. Wind shouldn't be funded at all. Biofuels and solar should be funded at the research level only. No supplementation for products that aren't proven to be market viable.
If I were king, I'd ...
A focus on lowering energy prices, both electrical and gasoline, would put funds back in consumers prices, lower the costs of food and goods which are dependent on energy prices , and seriously help the economy.
Sounds like if you were king, you would be pretty lose with spending money raised by the peasants taxes.
You assume that Ruling Class would want any of that to happen. Things are proceeding quite nicely for them.