I think the most interesting thing about Tesla is it's applicability to SpaceX. If the goal of Tesla is to provide a better energy source (where "better" is de

I think the most interesting thing about Tesla is it's applicability to SpaceX. If the goal of Tesla is to provide a better energy source (where "better" is defined as capacity and environmentally friendly) and SpaceX's primary constraint is the energy source, then long-term they'll be the same company.