A key advantage for EVs is going away.Tesla (TSLA -4.97%) has been a great American success story, but the company has received a significant assist from the government over its history, including more than $11 billion in regulatory tax credits over its history and a crucial low-interest loan from the Department of Energy when it was just getting started. Perhaps the best-known government handout Tesla has benefited from is the$7,500 electric vehicle (EV) tax credit, which slashed prices on some of its veh ...