Prospective customers confer with sales associates as a Model S sits on display in a Tesla showroom. (David Zalubowski / Associated Press) Tesla electric vehicle sales jumped last quarter, as buyers rushed to take advantage of an expiring federal tax credit. The company's EV sales rose 7% in the three months through September compared to a year earlier, mirroring a spike in overall EV sales across the country. The $7,500 credit for new electric vehicles was eliminated on Sept. 30 by the Trump administra ...