World Energy Outlook 2018 was published from Internal Energy Agency .
In the report, energy demand in future scenario is estimated to be more than 25% now until 2040.
In early 2020’s oil market will enter into period of uncertainty and fluctuation, natural gas demand will be increase.
The side of renewable sources are expected to constitute around two thirds of global capacity by 2040, due to decreasing cost and supportive government polices.
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