Towing 16,000# Gas 6.9mpg, diesel 10mpg 116,000 miles needed towing to pay off the diesel upgrade Empty Gas 16mpg, diesel 19.9mpg 650,000 miles needed to pay off the diesel Video
Eeelectronic Diesel engines run on so little fuel with light and no load there are not enough spare waste heat btu’s to heat today’s big expansive cabs full of frozen plastic. Cold diesels ****** their timing so there is even less waste heat...
Unless you have a manual with a manual exhaust brake. Warmness occurs with the brake closed idling...