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Old 09-06-2017, 05:32 AM   #9 (permalink)
JockoT
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Location: Scotland
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There are a couple of Landfill sites near me where it is tapped off. Where it goes after that, I have no idea.
One of the Orkney islands, Eday, has a tidal generator that develops more energy than the island can use. Because Eday is not connected to other islands they have to turn the electricity into H2, which they can ship off to the Orkney mainland. It is used in fuel cells to power the auxiliary systems on the ferries, while they are in port. Once they have suitably accredited crew, trained and certified, they will be able to use it while at sea, as well.
Read an interesting article on Bio diesel. They use it to run buses, here in the UK, especially in London. A lot of it comes from recycled fat and cooking oil, as well as fat waste from meat. However, bio diesel produced from soybean seemingly takes 800,000 gallons of water to produce 60 gallons of fuel, enough to fill the tank on a bus.
In these days of diminishing fresh water, that's rather worrying.
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