Tesla’s electric cars have won a loyal following from customers, thanks to their zero-emission powertrains, performance, and copious technology. But there’s a subset of Tesla customers who weren’t completely satisfied with the company’s offerings. Vegan buyers have taken issue with Tesla’s use of leather for interior trim. And now vegans seem to have put enough pressure on the company to force it to do something about that, reports The New York Times (subscription required). Synthetic…