Should you be among the people highly excited about Tesla’s prospects with heavy trucks, count yourself lucky that you weren’t in the ballroom of Tokyo’s Grand Prince Hotel this afternoon. Would you have been, you went home with all hopes abandoned. In said ballroom, two global players in the heavy truck business announced that they would join hands, because doing it alone is fraught with dangers. Unsaid, but quickly evident: Newcomers, don’t even try. Also, the allied bus and truck makers, will not bet on either battery electric or fuel cell. They . . .