Biodiesel Additive cleans the entire fuel system, prevents seizing and gumming up of the nozzle needles and protects against corrosion and age-induced deposits. Biodiesel combusts more efficiently and consumption is reduced.

From April 2008, all petrol and diesel sold on forecourts must contain atleast 2.5 per cent bio-fuel, which is made from crops and vegetables. Ministers say the environmental policy will makes britain's 33million vehicles cleaner.