1. [1] Alfredo R, Shweta M, Hannah P, Kate L. Preliminary 2020 global greenhouse gas emissions estimates [Internet]. 2023 [cited 2023 Dec 8]. Available from: https://rhg.com/research/preliminary-2020-global-greenhouse-gas-emissions-estimates/
2. [2] IEA 2020, World Energy Outlook 2020 [Internet]. 2020[cited 2023 Dec 8]. Available from: https://www.iea.org./reports/wprld-energy-outlook-2020
3. [3] Nakamura T. Improvement of fuel efficiency of passenger cars by taking advantage of tribology. Journal of Japanese Society of Tribologists. 2016;61(2): 65-70 (in Japanese).
4. [4] Sakaguchi M, Yamada S, Seki M, Koiwa Y, Yamauchi T, Wakabayashi T. Study on reduction of timing chain friction using multi-body dynamics. SAE Technical Paper. 2012;2012-01-0412. https://doi.org/10.4271/2012-01-0412
5. [5] Uysal U, Akalin O. Optimization of timing drive system design parameters for reduced engine friction. SAE Technical Paper. 2010;2010-01-2202. https://doi.org/10.4271/2010-01-2202