While I support the efforts to prevent and reverse the environmental damage we're causing, personally I don't believe they'll really succeed. It seems that human society is fundamentally incapable of acting in a coordinated way against a global, long term threat. So at a certain point convincing people to take the bus instead of a car, specifically because that will save the planet, starts to seem like a lie. It's no…
A country could do it; or it could be done city by city with municipal bylaws to act only upon the worst polluting regions. And, since the only restriction would be on buying gasoline, people who still wanted to drive could just buy EVs.