5加利福尼亚空气资源委员会,技术评估:货运机车,2016年11月,https:// www.2.arb.ca.gov/sites/default/default/files/files/classic/classic/msprog/tech/tech/techreport/finalport/final_rail_rail_rail_rail_tech_tech_tech_assessment_assesment_112820166。pdf; Sarah Lazare, “The Filthy Emissions of Railroad Locomotives—and the Rail Unions Sounding the Alarm,” The American Prospect , March 14, 2023, https://prospect.org/environment/2023-03-14-filthy- emissions-railroad-locomotives/;加利福尼亚空气资源委员会,2022 I级切换轨院子排放清单,2022年7月,https://ww2.arb.ca.gov/sites/default/default/default/defiles/2022-07/2022%20CLASS%20IP.2LASS%20I%20 I20 switcher%20 switcher%20 empsion;加利福尼亚空气资源委员会,公开听证会,以考虑拟议的使用内部机车法规,2022年,https://ww2.arb。ca.gov/sites/default/files/barcu/regact/2022/locomotive22/isor.pdf。
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