alt Hacker NewsWebasto would like to have a word. "..can operate for up to 22 hours on less than one gallon of fuel.."
https://www.webasto.com/en-us/choose-vehicle-solution/oil-an...
Webasto would like to have a word. "..can operate for up to 22 hours on less than one gallon of fuel.."
https://www.webasto.com/en-us/choose-vehicle-solution/oil-an...
Those are aftermarket products for use in heavy vehicles, not something that's present (or usable) in passenger cars.