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Checking Wikipedia, municipal waste is around 7% of biofuel. Biogas from sorted organic waste is a smallish portion of that. Biofuels in Sweden is dominated by wood and waste from the wood industry. Biofuels in total is quoted as 32% of total energy use (don't know how they count that, but lets assume they are fairly on the mark).
That lands below one percent of total energy use. Enough for a niche (we run some busses on biogas), but not enough for gas niche of load balancing (I think).
Then again, Sweden is cold and uses a lot of energy, is sparsely populated and has a ton of woods, so I don't know how much that affects the numbers.
I think it's worth doing, and recycling gets rid of landfills, even if it's unlikely to replace gas in the short run.
I was thinking more about creating field-ready slurry with biogas as side benefit.
replace gas in the short run.
Replace the current 'needs' never, but help in the coming fuel pinch.
Wood gas powered a lot of vee-hickles during the last war.
Woodwaste would provide a lot of ethanol to run the chainsaws!
'The history of public debt is full of irony. It rarely follows our ideas of order and justice.' Thomas Piketty
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