London — Liquefied natural gas (LNG) will be the biggest source of carbon emission growth for the world’s top oil and gas companies by 2025, according to a new study by Wood Mackenzie, as demand for the super-chilled fuel is set to rise sharply. Oil and gas companies such as ExxonMobil, Royal Dutch Shell and Total have promoted natural gas as a cleaner fossil fuel that will displace coal to meet growing demand for energy as the world shifts away from fossil fuels in the coming decades. But converting natural gas into LNG by cooling it to minus 160°C to transport it to demand centres is a highly energy-intensive and thus emission-intensive process, according to Wood Mackenzie analyst, Amy Bowe. Capping emissions of heat-trapping gases by the oil and gas industry has moved to the forefront of investors’ agendas in the wake of the 2015 Paris climate agreement to limit global warming to below 2°C by the end of the century. Companies are coming under growing pressure to tackle emissions ...

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