Tesla keeps its Model 3 production a mystery —and it's fueling speculation about how many cars it's

Tesla doesn't report vehicle sales on a monthly basis for the US, as do all major automakers. Tesla has also been very vague about Model 3 production levels. This has led to a strange sub-industry that tries to use unconventional methods to figure out what we could simply ask of another carmaker. Tesla doesn't do anything like a traditional carmaker. A particularly annoying deviation from business-as-usual is the company's production and sales data. The company doesn't report US...