1. Paris Agreement, European Commission. http://ec.europa.eu/clima/policies/international/negotiation s/future/index_en.htm.
2. U.S. EPA’s Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990–2017.
3. IPCC Working Group 3, Climate Change 2014: Mitigation of Climate Change, 5th assessment Report (2014).
4. The White House Briefing Room, Obama Administration Finalizes Historic 54.5 MPG Fuel Efficiency Standards.
5. J. Woo, H. Choi and J. Ahn, Transp. Res. D: Transp. Environ., 51, 340 (2017).