The long-awaited, oft-delayed electric car revolution is now scheduled for 2022. That’s according to a report from research firm Bloomberg New Energy Finance, which posits that in just six years, the biggest obstacle to the sale of EVs—they cost too much—will be obliterated and cars that run on electricity will cost less than those that run on dead dinosaurs. “By 2022,” the report says, “the unsubsidized total cost of ownership of BEVs [battery electric vehicles]…