Seven tips to keep EVs from zapping service revenue Richard Truett Print Fewer moving parts, no oil changes, brakes that don't need frequent servicing and over the air updates will make electric vehicles a rare site in the service lane. But fixed ops can still be profitable in the EV era. DETROIT — Ed Roberts, fixed ops director at Bozard Ford-Lincoln in St. Augustine, Fla., has been thinking a lot lately about how Ford's first three battery-electric vehicles — the Mustang Mach-E arriving this month, the E-Transit van coming late next year and the battery-powered F-150 planned for 2022 — will start to upend his store's fixed-operations business model.