The State of Massachusetts Issues MOR-EV Approval, Granting Mullen’s Class 3 EV Truck a $15,000 Cash Voucher per Vehicle Sold Under the MOR-EV program, the Mullen THREE EV truck, with a suggested MSRP of $68,500, now qualifies for a Massachusetts state cash rebate of up to $15,000 When combined with the available $7,500...