And it was hard to make a steam engine with the technology of the time. A well sealing piston. Heavy reciprocating mass. Valves. Hot high pressure steam. And i

And it was hard to make a steam engine with the technology of the time. A well sealing piston. Heavy reciprocating mass. Valves. Hot high pressure steam. And internal combustion is a few levels up from there then. An electrical motor might have been a lot simpler.