Over 30 environmental organizations want USDA to stop subsidizing manure-to-biogas machinery that they argue entrenches large, polluting livestock operations, promotes farm consolidation, and wastes taxpayer dollars.
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The California Air Resources Board is weighing a change to its low carbon fuel standard, which critics say overvalues gas from livestock manure lagoons.
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Government subsidies to build methane biodigesters encourage a dirty industry to expand.
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