Yes: They are called "portable generators." Long answer: Before WWII, there were luxury cars built this way. Manual transmissions were much harder to drive, so

Yes: They are called "portable generators." Long answer: Before WWII, there were luxury cars built this way. Manual transmissions were much harder to drive, so some luxury cars used a generator/motor pair as an automatic transmission. WWII needs for copper drove them out of the market; and they never came back because it was simpler to just mate an oversized engine with a horrible automatic.