There's an easy 19th century solution to cars and planes - public transport. It could reduce the usage significantly, save people lots of time, reduce pollution, make people healthier through making the environment more walkable, reduce crime. We don't do it not because the technology isn't there, but because it's more profitable for people to induce consumption by planning our cities and suburbs around cars.
There's lots of rotting low hanging fruits ignored for decades because politicians are paid by the ladder-sellers.
There's lots of rotting low hanging fruits ignored for decades because politicians are paid by the ladder-sellers.