Ford Motor Co. (NYSE:F) sold 23,509 electric vehicles in the three months through the end of September, marking a jump of 12.2% from the corresponding period last year, despite a sales slump for its Mustang Mach-E SUV. What Happened: Mustang Mach-E was Ford’s best-selling EV in the quarter but sales dropped by nearly 10% from the corresponding quarter last year. The drop in sales of the Mach-E was balanced by a rise in sales of its other two EV offerings in the U.S., namely the F-150 Lightning and the E-transit electric van. While the Lightning electric pickup truck saw its sales rise by 104.5…