Originally Posted by fast_ford_uk
thats bullshit red derv is only for use for agricultual vehicles such as tractors and plant machinery, its untaxed and actually against the law to use it on the road vehicle unless its been approved, chip fat isnt against the law to use it just states that you must keep a record of it and tell the tax man at the end of the year
chip fat is against the law the use, unless you prepay the duty on it, otherwise everyone would run it then when caught claim it was their first tank