Boise State veggie-oil diesel tries for 215 mph USA TODAY The 1998 Chevrolet S-10, fitted with a much-beefed-up 5.9-liter Cummins diesel from a 1993 Dodge Ram pickup, hit 155 mph last November on El Mirage, dry lakebed in the Mojave Desert. The truck, fielded by a Boise State student organization called ...