The automakers executed their sales strategy during the third quarter, and they're working to extend the crucial $7,500 EV tax incentive.The U.S. government's authorized $7,500 tax credit for electric vehicle (EV) purchases is now officially no more (it ended Sept. 30). That created a significant pull ahead in EV demand as interested buyers raced to take advantage of the incentive on the available inventory. For automakers, it offered an opportunity to unload some inventory, because the last place any autom ...