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Welcome Biopowered is an unbiased, independent knowledge base for home biodiesel production and vegetable oil motoring. This is a non-profit site, run by enthusiasts for enthusiasts. Although based in the UK, members and contributors are welcome from around the world. If you wish to join as a member or contribute, please click this link to register.

Biodiesel pages Pages related to production and use of biodiesel. Biodiesel equipment Processes 3/27 test . 3D Printed parts and spares . Acronyms . Anhydrous sodium methylate . Arse about face . Biodiesel . Biodiesel process guide . Biofuels an overview . Calculating misfuel ratio . Casting a venturi . Catalyst . Centrifuges . Cone bottoms for tanks . Diffuser . Draining a plastic barrel . Dry washing . Drying wet biodiesel . Editable state diagram for GL processor . Effect of biodiesel on fuel injection systems . Environment Agency and waste transfer notes . Fitting a heater flange . Free fatty acid . Glycerine logs . Glycerol . Glycerol wash . Heated fuel filter . HMRC and 2500 litre duty free allowance . Hot pan test . Hot water cylinders . Importance of venting a processor . Isopropyl alcohol . J Cloth bag filters . Making a test batch of biodiesel or the Dr Pepper method. . Making bar soap from glycerol . Manuals and instructions . Melting stick . Members vehicles running biodiesel or vegetable oil . Methanol . Methoxide . Methoxide mixer . MSDS - 2-propanol (isopropyl alcohol) . MSDS - Biodiesel . MSDS - Glycerol . MSDS - Methanol . MSDS - Phenolphthalein . MSDS - Potassium hydroxide . MSDS - Sodium hydroxide . MSDS - Sulfuric acid . Multi-tasking processor . PID controller . Plumbers delight condenser . Plumbing fittings . Processing with anhydrous sodium methylate . Processor - Appleseed . Processor - basic design . Processor - with methanol condenser (GL design) . Processor - with pre-heat / drying tank . Processor / tank float switch . Processor build step by step . Processor buyers guide . Processor pressure switch . Pump - buyers guide . Pump - Leo XKM60 . Pump - Mono MS . Pump - Tam 105 . Pump - TAM 120 . Record keeping . Recovering a jelly batch . Silver soldering . Simple fat melting and de-watering tank . Soap tests . Soldering . SSR - solid state relay . Still head heat exchanger . Thermocouples . Tips and wrinkles 1 . Tips and wrinkles 2 . Titrating with turmeric . Titration . Top skimming fueling tank . Two stage methanol starvation process . Two stage process . Two stage process with no titration . Venturi . Viscosity cup . Volkswagen biodiesel policy . Waste vegetable oil . Water in fuel - test kit . Water prewash . Water washing . Water washing titrated acid method . Whole batch demeth . Winter fuel additive testing . Winter waxing Equipment Processor buyers guide GL Processor Two drum processer plans and method Twyn-Tub Processor Casting a venturi Methoxide mixer Process Titration | Titrating with Turmeric Making Methoxide Making a test batch of biodiesel Whole Batch Demeth Water prewash Drying wet biodiesel Dry washing Soap tests Biodiesel Process Guide - a quick reminder of the steps involved General information Acronyms - commonly used biodiesel acronyms High Melt Point Esters Making bar soap from Glycerol Soldering

Vegetable oil pages Pages related to running engines on vegetable oil. 3D Printed parts and spares . Acronyms . Biofuels an overview . Blending vegetable oil with solvents . Calculating misfuel ratio . Centrifuges . Diffuser . Draining a plastic barrel . Environment Agency and waste transfer notes . Filter modification for Peugeot and Citroen . Filtering waste vegetable oil . Fitting a heater flange . Gravity filtering of WVO . Heat exchangers and solenoid valves . HMRC and 2500 litre duty free allowance . Hot pan test . J Cloth bag filters . Melting stick . Members vehicles running biodiesel or vegetable oil . Multi-tasking processor . Oil pourer . Plumbing fittings . Processor / tank float switch . Pump - buyers guide . Pump - Leo XKM60 . Pump - Mono MS . Pump - Tam 105 . Pump - TAM 120 . Record keeping . Silver soldering . Soldering . Vegetable oil as fuel . Viscosity cup . Waste oil filtering system . Waste vegetable oil . Water in fuel - test kit Collection Rules and Regulations - a summary of EA and HMRC rules regarding oil collection and fuel duty, including how to fill in a Waste Transfer Note. Filtration Filtering waste vegetable oil Waste oil filtering system Dispensing Oil pourer - fast, non-glugging Vehicle modifications Filter modification for Peugeot and Citroen Heat exchangers and solenoid valves for twin tanking