My example was really meant as a thought experiment rather than a credible program, but obviously governments and institutions can formulate such plans with req

My example was really meant as a thought experiment rather than a credible program, but obviously governments and institutions can formulate such plans with requirements for the replaced vehicle, e.g. https://en.wikipedia.org/wiki/Car_Allowance_Rebate_System https://en.wikipedia.org/wiki/Car_Allowance_Rebate_System