Tesla currently reports US sales on a quarterly basis. No other major automaker does this, following instead a monthly reporting protocol. Tesla should switch to monthly reporting - a signal that it will be selling many more vehicles in the future. Tesla has never done things the way that other car companies do - and it probably never will. But every so often it acts like a "normal" automaker. A while back, largely because everyone was spending a lot of time trying to figure out how many vehicles it was delivering, the company committed to releasing the numbers on a quarterly basis. This still contrasts with how the rest of the industry handles US sales, reporting sales on a monthly basis - all usually on the same day. "Sales day" is typically a pretty closely watched measure of how the overall US economy and the auto sector in particular is doing. Tesla can skip this for now because the number is so low. A Tesla quarter might see 25,000 vehicles ...