regular gas is projected to average $3.68 a gallon on thanksgiving, about 30 cents higher than last year. diesel fuel used in most trucks is averaging about $5.29 a gallon. in tonight s moneywatch, cbs s airpd adrian explains what s fueling the stubbornly high prices. reporter: if you want to know about diesel prices, hitch a ride with j.d. paintin and his chihuahua axle. ( laughter ) my last trip was over $5,000 worth of diesel. p reporter: you re kidding. no. reporter: from chicago to california? and back. reporter: it used to cost up to 3500. it s skyrocketing. we might be out of business. reporter: mike kucharski pays for the diesel for his 180 trucks at jkc trucking. how are americans ultimately also footing the bill for this expensive diesel? everything they get delivered to their home, all their food, is shipped by truck so they re