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2. DOT, EPA, 2017 and Later Model Year Light-Duty Vehicle Greenhouse Gas Emissions and Corporate Anverage Fuel Economy Standard, 2012.
3. NHTSA, E.P.A., Joint Technical Support Document: Final Rulemaking for 2017 – 2025 Light-Duty Vehicle Greenhouse Gas Emission Stadnards And Corporate Average Fuel Economy Standards, 2012.
4. SAE J1715 Information Report, Hybrid Vehicle (HEV) and Electric Vehicle Terminology, 2007.
5. John Miller, Propulsion Systems for Hybrid Vehicles, London: The Institution of Engineering and Technology, The Institution of Engineering and Technology, London, UK, 2004.