We incentivize a lot of things (like, billions for farmers, to keep the price of food lower and availability stable; we incentivize hedge fund billionaires by t

We incentivize a lot of things (like, billions for farmers, to keep the price of food lower and availability stable; we incentivize hedge fund billionaires by the carried interest deduction). Doing this for new industries that have promise and benefit, for a limited time, seems like a good idea to me. The incentives are reduced over time. For example, Tesla will soon reach 200k cars in the us and then their ev reduction will be cut in half and then go away after that. I'm not aware we tax by the hour, can you explain? We tax by income.