The gas industry often plays the ‘cleaner than coal’ card in the climate debate, but it has historically been reluctant to address methane emissions from its own value chain. Gas emits around 40% less carbon dioxide than coal in heat and electricity production, and hardly any sulphur dioxide or particulate matter, but has come under increasing pressure to address emissions of methane – a harmful greenhouse gas – from its lifecycle.
The International Energy Agency (IEA) estimates 76 mt of methane was emitted by oil and...
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