Sorry should have specified. Yeah that one statement was exclusive for non-thermal mech fans.
Shoot i think they even make electronic clutches now too!
One day we will be fanless and alt free. The rads will be fin free. There will be a massive TEG on each rad charging the battery bank. When you get home you plug up your gas powered engine with a TEG, to your panel and feed all that extra energy into the grid eliminating your power bill for the day. Next day, repeat.