BEIJING, Feb 18 (Reuters) - U.S. automaker Tesla (TSLA.O), opens new tab said on Tuesday it has started mass production of the revamped version of its Model Y in its Shanghai factory. Sign up here.

What's the first thing that comes to mind when y'all read the phrase "Southern culture?" Sweet tea? Front porch chats lit by lightening bugs? Country music? Well, did the word "y'all" stand out as ...