a shell
you get out of the car and call 911
No.
You can run an engine in/out of a car without a transmission. Car wont move and engine wont be mounted properly. So i suggest not to run an engine without a transmission unless you know what you are doing.
It is referred to as the engine or powerplant.
The noise
gas
glider
Not very long at all. Without engine oil the engine will lock up and become unrepairable. You will have to purchase a new car of this happens.
Probably a car without an engine or any wheels.
An engine manufacturer.
If you drive your car without oil and it dies, your engine has seized. Time to replace the engine or the vehicle.
You can heat your car without running the engine by using a portable car heater that plugs into the cigarette lighter socket or by using a heated blanket or seat warmer.