Special Projects 101: Part 3: New Car Makeover 2021 – Repairing Faulty Air Conditioner Switch
According to this study and on the contrary, belief, rolling down your windows does save more fuel than rolling up and switching on the air conditioner. Personally, I roll up the windows not to save the fuel but to keep the cabin noise down for me to listen to the music when I am diving. Image source: Business Insider