been looking at new fifth wheels. from the small to the overly large. one thing they all have in common is the two tanks. is there a law saying only two per rv? or possible to have three or four of ...
Dot propane transportation regulations Propane Regulations. The DOT sets exact limits on the weight of hazardous materials that may be transported before a vehicle is required to have a placard. ... Vehicle placarding is required when the total weight of the cylinders and propane reach a combined weight of more than 1,000 pounds or exceeds 25 20-pound cylinders ...Apr 1, 2012