Low Sulfur .. lower Lubrication is the result of so Called Premium Diesel.

They have to Add Additives to counter act the reduced goodness .. Hence the Premium price

Special diesel is used here to reduce the Gelling affect of the weather .. And It's bull crap that so Called Modern diesel needs the premium stuff .. Av seen the latest ACERT's run on 80/20 - diesel / water mix in backwards countrys.