Fossil fuel become too scarce and expensive will shift the change. When the gas price was high, people were finding ways to reduce gss consumption. Apps like GasBuddy have more users. Google map started implementing fuel saving routes.

The problem is, it'll prob be too late if we wait for the gas reserve to dry up. Goverment subsidized people to trade their gas guzzler cars for a electric car would be a start.

If they admit you were right, then they've also admit they are dumb to the public. also prob sunken cost fallacy, they feel they are too deep in it and is praying they are going to be right.