ClimateWire: The cars of the future have shown themselves, but it’s not clear whether Americans will like them. Yesterday, contest organizers crowned the winners of the first Progressive Automotive X Prize, a one-year race to design an ultra-efficient car that’s “safe, affordable and desirable.” Among the final contestants were cars getting 80, 120, even 180 miles per gallon equivalent. They assumed strange shapes, some sprawling on the ground like stingrays, others compact as books. They …