do we really save on emissions with the newer cars that’s shut off when idling?

Question

I’ve heard that starting your car uses a lot of gas. So are we really saving on emissions with our cars constantly turning off and on?

In: 1

Answer 1

Starting a cold engine requires a lot of gas and results in wear on the engine. But starting a warm engine that has lubrication where it is needed do not require do not have those problems.

There are some small changes to the motor and an electric starter motor design for a lot more usage in a car like that. The result is that stoping the engine when idling is a good idea