Dual Fuel Radiators Who Supplies Biofuels In The UK Suitable For Use In A Dual Fuel Heating Boiler?

Who supplies biofuels in the UK suitable for use in a dual fuel heating boiler? - dual fuel radiators

I imagine the use of biofuels for heating commercial project. Has anyone of commercial oil stocks of biofuels (known by the form of rape is derived), the United Kingdom. I know that the manufacturers offer replacement burner in an oil burner and some manufacturers offer a water bath such fuel options. I found a company that GreenFlame Sands in northern England that, but I need the supplier in or around the home have Wear province. Thank you for your help!