Natural gas is expected to overtake coal as the world's second largest energy source after oil by 2030 due to a drive to cut air pollution and the rise in liquefied natural gas (LNG) use, the International Energy Agency (IEA) said on Tuesday,
The Paris-based IEA said in its World Energy Outlook 2018 that energy demand would grow by more than a quarter between 2017 and 2040 assuming more efficient use of energy - but would rise by twice that much without such improvements.
Global gas demand would increase by 1.6 percent a year to 2040 and would be 45 percent higher by then than today, it said.
The estimates are based on the IEA's "New Policies Scenario" that takes into account legislation and policies to reduce emissions and fight climate change. They also assume more energy efficiencies in fuel use, buildings and other factors.
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