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 such as the distance to returns of Pathum Thani province was 64 kilometers, Chonburi province was 228 kilometers, Nakhon Ratchasima was 462 kilometers and Nakhon Sawan province was 412 kilometers.