Methane emissions from biogas plants – Methods for measurement, results and effect on greenhouse gas balance of electricity produced

This IEA Bioenergy Task 37 report addresses methane emissions from biogas applications. Methane is a potent greenhouse gas and therefore any fugitive methane emissions from a renewable energy production system are not conducive to the ambition of reducing Greenhouse Gas (GHG) emissions. Within the biogas sector methane emission quantification is becoming a significant topic for the scientific community but is still under development for the industry sector. This report addresses

• methods used for emission quantification
• presents selected results of measurements
• proposes mitigation measures and
• puts methane emissions in a context of a standard greenhouse gas balance

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