[oezi]

The last big expansion of wind and solar from a percentage growth perspective happened when oil was hitting 100 USD. We shouldn't discount how efficient markets are at allocating resources. If expenditures into oil (something like 6bn USD per day) went to wind and solar, then much would change.

[aww_dang]

Government subsidies targeted at technologies perceived to be green could potentially be taking resources away from other energy innovations. In the end, some of those innovations might have resulted in greener energy.