Nowdays vehicle was dominated by Fuel Injection engine. There's possibilities one of them have a technology called Throttle By Wire/Electric throttle valve. Something that makes butterfly valve of throttle body can be driven by a electric wire.

So.. What about vehicle that still use carburetor? does it means old-fashined carburetor engine was not be destined to have a try of Throttle By Wire technology?
That's not ture. Here the proof that carburetor can also have Throttle By Wire technology.