GM sold 200,000 EVs by end of 2018, triggering phaseout of U.S. tax credit GM sold 200,000 EVs by end of 2018, triggering phaseout of U.S. tax credit January 2, 2019 dzadmin Comments 0 Comment GM hit 200,000 total electric vehicles sold in the U.S. by the end of 2018, reaching a threshold that triggers a phaseout of a $7,500 federal tax credit over the next 15 months, Reuters reported.