In case you haven't heard, President Obama wants to change the $7,500 EV tax credit to a tax rebate.We hope he succeeds. That’s because, as our overview below shows, an EV tax credit is not only unfair -- only those in higher income brackets can benefit fully from it -- it’s also way too complicated, so complicated, in fact, that it’s safe to say that many people will lose money because they won’t play the EV tax credit game correctly.