Sometimes for very good reasons.

I never hear of stop-start until I bought my 2017 Ford Escape. Once I discovered how to turn it off, it will stayed off. It will never save enough fuel to justify the extra wear and tear on the engine, which will become a factor regardless of what manufacturers say. Plus it’s just annoying. Also, it’s more…

Actually he’s not the only reason.

The three most exciting moments in a race: the start, a restart and the finish. The caution clock is not a bad thing. Anything that increases competition is a good thing.