http://www.vegetableoildiesel.co.uk/customs.html
- You are required by law to pay fuel duty in order to use vegetable oil as a fuel
for road vehicles. This site gives good information for U.K. users
***Warning - the following applies to diesel engines only!***
Do plenty of research before filling your tank with vegetable oil. Some vehicles
may require modifications and failure to do so could lead to expensive problems
such as blocked fuel lines, filters, pumps and injectors etc.