| Summary: | China is currently attempting to reduce greenhouse gas emissions and increase natural gas consumption as a part of broader national strategies to reduce the air pollution impacts of the nation’s energy system. To assess the scenarios of natural gas development up to 2050, we employ a global energy-economic model—the MIT Economic Projection and Policy Analysis (EPPA) model. The results show that a cap-and-trade policy will enable China to achieve its climate mitigation goals, but will also reduce natural gas consumption. An integrated policy that uses a part of the carbon revenue obtained from the cap-and-trade system to subsidize natural gas use promotes natural gas consumption, resulting in a further reduction in coal use relative to the cap-and-trade policy case. The integrated policy has a very moderate welfare cost; however, it reduces air pollution and allows China to achieve both the climate objective and the natural gas promotion objective.
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