In the next 30 years, society will move away from engines burning hydrocarbon based fuels and into clean, efficient alternatives. Demand for oil will wane in tune with decreased availability. Oil will become as obsolete as whale blubber. In a hundred years the combustion engine will be a relic, on view in museums next to steam engines. And the world will be a better, cleaner place for it. Already Boeing is experimenting with electric propulsion for airplanes. And electric helicopters won't be far behind. Behold, these are my predictions
