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Energy Transition@Argus Media

Synthetic Natural Gas (SNG) is produced by combining hydrogen (H2) and carbon dioxide (CO2) to create methane (CH4). The utility held out for #SNG is its 'drop-in' nature: the possibility of utilising both existing natural gas infrastructure nationally, as well as LNG infrastructure internationally. The latter case also holds out potential for avoiding system losses from transforming hydrogen->ammonia. The carbon intensity of the product stems from the production mode of the hydrogen and the CO2 (biotic or industrial by-product capture). So electrolytic hydrogen gets the moniker eSNG, while blue hydrogen would be used in SNG. As with e-methanol, whether the CO2 is circular or not would earn the product a 'blue' or 'green' prefix, though as ever, a carbon-intensity label offers a more useful classification. North America stands out for having the greatest volume of planned production. What also stands out is the Middle East being a 'desert' for planned facilities. As with the US it is a major low-cost origination point for LNG exports - though for now, SNG projects are absent. Argus Hydrogen and Future Fuels maintains a SNG projects database alongside others: https://bit.ly/43yWiRV

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