Last time I was filling up in SD, I asked the gas pump attendant what was the difference between the two. The reply I received was that the premium diesel was clear, to better see impurities such as algae.
My instincts are telling me the real difference is low sulphur for the regular and ultra low sulphur for premium.
HowStuffWorks "Ultra Low Sulphur Diesel Fuel Explained"
What's the clear difference?
My instincts are telling me the real difference is low sulphur for the regular and ultra low sulphur for premium.
HowStuffWorks "Ultra Low Sulphur Diesel Fuel Explained"
What's the clear difference?