Tesla has updated its popular Model 3 with a larger center screen, a light gray interior choice, and vehicle-to-load capability, but with a significant catch: at least initially, the updated features will be available only in China. Here's what to know Posting on Weibo, the Chinese social media app, Tesla announced the China-spec Model 3 will now come with a 16-inch center display instead of the previous 15.4-inch unit, Carscoops reported. In …