Tesla expects 200,000th U.S. sale this year, electric-car tax credits to start phaseout

2018 Tesla Model 3It's been a topic of discussion for years: What will happen when a carmaker reaches the cap on U.S. sales of electric cars that qualify for the full federal tax credit of $7,500? That number is 200,000; after the rest of that calendar quarter and the one following, the credit is halved for a further two quarters. Rough calculations indicate that...