1. China Automotive Industry Yearbook,2012
2. DOE, FuelEconomy. Gov, the Official US Government Source for Fuel Economy Information. United States Department of Energy (DOE).
3. WELL-TO-WHEELS Report Version 4.a : JEC WELL-TO-WHEELS ANALYSIS;Edwards,2014
4. Monitoring of CO2 Emissions from Passenger Cars – Regulation (EU) 2019/631,2020
5. Annual Energy Outlook 2020,2020