1. Tracking the United States Congress [Elektronnyi resurs]: S. 1630 – 101st Congress: Clean Air Act Amendments of 1990, 1989. URL: https://www.govtrack.us/congress/bills/101/s1630 (data obrashcheniya: 22.04.2022).
2. Cornell Law School [Elektronnyi resurs]: Cal. Code Regs. Tit. 13, § 1961.2 – Exhaust Emission Standards and Test Procedures – 2015 and Subsequent Model Passenger Cars, Light-Duty Trucks, and Medium-Duty Vehicles. URL: https://www.law.cornell.edu/regulations/california/Cal-Code-Regs-Tit-13-SS-1961-2 (data obrashcheniya 22.04.2022).
3. California Code of Regulations [Elektronnyi resurs]: § 1961. Exhaust Emission Standards and Test Procedures – 2004 through 2019 Model Passenger Cars, Light-Duty Trucks, and Medium-Duty Vehicles. URL: https://govt.westlaw.com/calregs/Document/I235C4E70EAF311E1842FFBCFD449CC8B?viewType=FullText&originationContext=documenttoc&transitionType=CategoryPageItem&contextData=(sc.Default) (data obrashcheniya 22.04.2022).
4. Official Journal of the European Union [Elektronnyi resurs]: Regulation (EC) No 1221/2008 of the European Parliament and of the Council, 2009. URL: https://eur-lex.europa.eu/legal content/en/txt/html/?uri=OJ:L:2009:342:FULL$from=EN (data obrashcheniya 22.04.2022).
5. United Nation Climate Change [Elektronnyi resurs]: Kyoto protocol to the United Nations framework convention on climate change, 2009. URL: https://unfccc.int/resource/docs/convkp/kpeng.html.