There are a lot of broader questions we need answers to: such as, how much natural gas or biomethane is there in the world?

彼得认为，'还有许多问题需要我们去解答：例如，世界上有多少天然气或生物甲烷？

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Fossil methane and biomethane are both chemically the same stuff, CH4 -the only difference is in their source.

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Biomethane can be produced cheaply and easily from any type of organic waste at all, including sewage.

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Prince Charles visited the anaerobic digester and biomethane plant in Martinstown, near Dorchester, after opening a ward at the town's hospital.

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