It's more like saying stop carrying around the cassette boombox and corpses of your last 3 dogs in the back seats.

You can also save some more weight by never filling the gas tank up to more than 25% capacity.

But that makes high speed chases impractical as you have to keep stopping for gas

You reminded me of this sketch: https://www.youtube.com/watch?v=cxY0-Qr_l78

You still have to regularly give your (ICE) car an oil change in order to keep it in proper working order.