Audi unveiled the Concept C in September and had some journalists driving it just a couple of months later. At the time it was described as about as complete as prototypes get and possibly a breakthrough moment for all-electric sports cars. But these are dark times for EVs, and Porsche recently said it was reconsidering plans for all-electric 718s, which has now turned out to be potentially bad news for the Concept C, too, because the cars share a platform.
Porsche…

