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首页> 外文期刊>Environmental Science & Technology: ES&T >Pipeline Availability Limits on the Feasibility of Global Coal-to-Gas Switching in the Power Sector
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Pipeline Availability Limits on the Feasibility of Global Coal-to-Gas Switching in the Power Sector

机译：Pipeline Availability Limits on the Feasibility of Global Coal-to-Gas Switching in the Power Sector

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摘要

Coal-to-gas switching in the power sector,as happening in the U.S.,has been a key driver of near-term greenhouse gas emissions reductions.Can this success be replicated around the world?Here,we explore the limits of a global,plant-level,coal-to-gas transition arising from pipeline availability constraints.Globally,only 43% of coal capacity is within 14 km of a nearby pipeline,the median distance for recent coal-to-gas conversions.Furthermore,plant-to-pipeline distance distributions vary widely-only 30% of coal capacity in India is within 14 km of a nearby pipeline.Most global coal fleets are in the intermediate space of balancing two competing interests-having a young coal fleet with high"avoided"emissions potential through coal-to-gas switching but without access to low-cost gas resources.A global stocktake based on coal fleet age,pipeline access,and natural gas supply security suggests that a coal-to-gas transition in the power sector is unlikely to be a universal climate solution.

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