Quote Originally Posted by oj88 View Post
It may be variable speed I think. It's slowly being used on cars that either don't have an ICE, or if it's a hybrid, the ICE turns off when the battery is full. It comes in various configurations... electric A/C, electric oil pump, electric coolant pump, etc.... all to solve issues with an ICE that operates intermittently or only on-demand to conserve fuel.
Electric-driven hydraulic power steering too. Great for retrofitting into classic cars, preserves the desirable feel of hydraulically assisted steering.