biod:biodiesel

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-# Biodiesel+This topic is part of [[gt:power|Power & heating]] and [[gt:transport|Transport & freight]]. 
 +====== Biodiesel ======
  
  
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-## What is biodiesel?+===== What is biodiesel? =====
  
 NB: of course, this topic is slipping out of fashion as diesel vehicles are phased out. But in case of any level of societal collapse, this topic may still be useful to be able to run any existing diesel engines. NB: of course, this topic is slipping out of fashion as diesel vehicles are phased out. But in case of any level of societal collapse, this topic may still be useful to be able to run any existing diesel engines.
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-## What are the benefits of biodiesel?+===== What are the benefits of biodiesel? =====
  
 - Climate change: the most important greenhouse gas is carbon dioxide (CO2), which is emitted by the burning of fossil fuels. Burning biodiesel also emits CO2, but this is offset by the fact that it comes from plants, and plants use CO2 from the atmosphere to grow - Climate change: the most important greenhouse gas is carbon dioxide (CO2), which is emitted by the burning of fossil fuels. Burning biodiesel also emits CO2, but this is offset by the fact that it comes from plants, and plants use CO2 from the atmosphere to grow
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-## What can I do?+===== What can I do? =====
  
  
-### Using biodiesel+==== Using biodiesel ====
  
 You can buy biodiesel (you'll have to do a bit of online research to find suppliers of biodiesel from waste oil), or make your own. You can use 100% biodiesel in the summer and maybe think about a 50:50 blend of biodiesel and mineral diesel in the winter - biodiesel is more viscous at lower temperatures, so the fuel pump has to work harder with a cold start. You can buy biodiesel (you'll have to do a bit of online research to find suppliers of biodiesel from waste oil), or make your own. You can use 100% biodiesel in the summer and maybe think about a 50:50 blend of biodiesel and mineral diesel in the winter - biodiesel is more viscous at lower temperatures, so the fuel pump has to work harder with a cold start.
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 </WRAP> </WRAP>
  
-### Making biodiesel+==== Making biodiesel ====
  
 **Processors** **Processors**
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 If you buy biodiesel, duty is already paid, but if you make it, contact HM Revenue & Customs to ask about current rates of duty payable (which is constantly changing), and the Environment Agency about what permissions you need (although you probably won't need any permits for domestic-scale production). There are companies that can test the quality of your biodiesel. If you buy biodiesel, duty is already paid, but if you make it, contact HM Revenue & Customs to ask about current rates of duty payable (which is constantly changing), and the Environment Agency about what permissions you need (although you probably won't need any permits for domestic-scale production). There are companies that can test the quality of your biodiesel.
  
-## Further resources+===== Forum ===== 
 + 
 +This topic belongs to the section [[gt:power|Power & heating]]. You can ask questions or add information on the corresponding [Forum section](https://forum.growingthecommons.org/t/power). 
 + 
 +It is also in the section [[gt:transport|Transport & freight]] (Forum: [Transport & freight](https://forum.growingthecommons.org/t/transport)). 
 + 
 +===== Further resources =====
  
 - Free pdf of book, _[How to Make Biodiesel: from waste cooking oil](https://lowimpactorg.onyx-sites.io/wp-content/uploads/0-9549171-0-3txt.pdf)_, which covers the benefits, chemical reactions, equipment and production methods. This was published in 2005, and so some parts will be out of date (around legislation for example) - but it still contains a lot of useful info. - Free pdf of book, _[How to Make Biodiesel: from waste cooking oil](https://lowimpactorg.onyx-sites.io/wp-content/uploads/0-9549171-0-3txt.pdf)_, which covers the benefits, chemical reactions, equipment and production methods. This was published in 2005, and so some parts will be out of date (around legislation for example) - but it still contains a lot of useful info.
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-## Related topics+===== Related topics ===== 
 + 
 +- [Recycling, reusing & repairing](recl:recycling) 
 +- [Low-impact transport](litr:transport) 
 +- [Narrowboats](nrbo:narrowboats) 
 +- [Veg oil motoring](vego:veg_oil_motoring) 
 +- [Gasification](gasf:gasification)
  
  
-## Specialist curators of this topic+===== Specialist curators of this topic =====
  
  
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