The Future Is Here, Introducing The eDart

Living under a rock are you? ;)

Its called a clutch =push start.
Early torque flight trans with rear pump will push start as well
They were never used on cars as far as I know. But they used to use Air starters on big Rig Diesel engines. But I think they all went to Electric starters. I think they are kind of cool to hear one starting..lol

Everything You Need To Know About The Air Starter | Tractor Parts