1. U.S. Energy Information Administration. International Energy Outlook 2016. U.S. Energy Information Administration, Washington, DC (2016)
2. Xin, W., Ji-hai, J.: Regenerative braking control strategy for wheel drive hydraulic hybrid vehicle. J. Jilin Univ. 9(6), 1544–1549 (2009)
3. Shen, W., Huang, H., Pang, Y., et al.: Review of the energy saving hydraulic system based on common pressure rail. IEEE Access 5, 655–669 (2017)
4. Simon, B., Christine. E., Edward, U., et al.: Hydraulic hybrid systems for commercial vehicles. SAF Paper, 2007-O1-X150. (2007)
5. Kim, Y.J., Filipi, Z.: Simulation study of a series hydraulic hybrid propulsion system for a light truck. SAE Paper, 2007-O1-X151. (2007)