周四发表于《科学》期刊的一项研究指出，特朗普政府废除车辆温室气体排放标准所依赖的成本效益分析存在严重逻辑错误1。这项由来自耶鲁大学、麻省理工学院、宾夕法尼亚大学和南加州大学的学者开展的研究称，修正这些错误后，废除该标准不仅不会带来收益，反而会让美国民众损失约6700亿美元1。
EPA此前估计，废除温室气体标准将在未来几十年为美国人节省6000亿至7900亿美元1。EPA的分析认为，购车者每1美元燃油节省仅获得0.23美元1。研究人员称，修正错误后，估计收益将减少1.5万亿美元，实际将导致美国损失6700亿美元1。
特朗普政府今年早些时候撤销了“危害认定”，从而废除车辆排放标准1。EPA在邮件声明中表示坚持其经济分析，并称其基于既定模型和更新假设1。该机构还强调，不会基于“表面不可信的预测”强推电动车强制令1。
A study published Thursday in the journal Science reveals that the cost-benefit analysis used by the Trump administration to justify scrapping vehicle greenhouse gas emission standards contains significant logical flaws 1. The research was conducted by scholars from Yale University, the Massachusetts Institute of Technology, the University of Pennsylvania, and the University of Southern California 1. According to the researchers, correcting these errors reduces the estimated benefits by $1.5 trillion, ultimately resulting in a $670 billion loss for the American public 1. This contrasts with the Environmental Protection Agency's (EPA) previous estimates, which suggested that eliminating the greenhouse gas standards would save Americans between $600 billion and $790 billion over the coming decades 1.
The EPA's analysis operated on the assumption that vehicle buyers capture only $0.23 in value for every $1 saved in fuel 1. Earlier this year, the Trump administration revoked the "endangerment finding," thereby dismantling the vehicle emission rules 1. In an emailed statement, the EPA maintained its economic analysis, asserting that it would not force an electric vehicle mandate based on "facially implausible projections" 1.
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