I took this truck around my local eco-driving route that I sometimes use for coaching friends/family/acquaintances.
From a cold start in freezing weather it reported 15 L / 100 km =
15.7 MPG US. Its EPA city rating is 14 MPG / 16.8 L/100 km.
So you can teach an old dog new tricks.
Details:
https://ecomodder.com/forum/showthre...tml#post582678