Governments should have been full bore pushing subsidies and cost breaks for phevs, home solar, evs,and hear pumps for the last decade.

Covid was the wakeup call that globalization was dying a slow death, and the first trump that world cop America was also on the way out.

Oil dependence in a top level national security concern of the last 150 years (hey, what really triggered WW1?), yet the primary means for independence has been politically suppressed for 50 years.

How soon would we have has better PV, better batteries, better heat pumps with proper subsidies and research starting with the 70s oil shocks?