Question: Would you be able to advise as how much fuel can be carried in a trailer for use of the towing vehichle? Answer: If you carry more than 500 litres you are carrying dangerous goods and need to have a PRDP and placarding on the vehicle. Be Sociable, Share! Tweet May 5, 2011By firstname.lastname@example.orgCar Insurance Advice Did you know? Uncategorized1 Comment FacebookshareTwittertweetGoogle+sharePinterestpin it About the author Truck driver caught in life threatening police chase on camera!!May I ride with a tricycle on public roads?