Researchers have studied and collected data of fuel usage in freight transport defect by computation the distance a full loading cargo weight (Full Load) and return without loading goods (No load)of customers in 4 provinces that the round trip distance Pathum Thani province was 64 kilometers, Chonburi province was 228 kilometers, Nakhon Ratchasima was 462 kilometers and Nakhon Sawan province was 412 kilometers.