1. International Energy Agency, World Energy Outlook 201, Oil Market Report: 15 May 2019.
2. Engine performance during tractor operational period Engine performance during tractor operational period;Janulevius;Energy Conversion and Management,2013
3. Turbocharging of an Agricultural Tractor Engine;Sims;Agricultural Machinery Research Centre, Massey University, Palmerston North, New Zealand, Elsevier, Computers and Electronics in Agriculture,2018
4. A theoretical and experimental study on the effects of parameters of two-stage turbocharging system on performance of a heavy-duty diesel engine;Zheng;Science Direct Applied Thermal Engineering,2018
5. Air Pollution: Current and Future Challenges, United States Environmental Protection Agency