There are lots of taxes (and subsidies) on air transport, and no real alternative to fossil fuels for powering planes. Adding a kerosene tax - instead of, say,

There are lots of taxes (and subsidies) on air transport, and no real alternative to fossil fuels for powering planes. Adding a kerosene tax - instead of, say, a "landing tax" or a grant of land to build an airport - would just slosh the money around a bit, it wouldn't create an incentive for people to take electric planes.