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2. Amsterdam Roundtables Foundation and McKinsey & Company , Evolution electric vehicles in Europe: gearing up for a new phase? (2014)
3. Committee on Overcoming Barriers to Electric-Vehicle Deployment , Board on Energy and Environmental Systems , Division on Engineering and Physical Sciences , Transportation Research Board and National Research Council , Overcoming barriers to electric-vehicle deployment: interim report ( National Academy of Sciences, 2013, 1)
4. International Energy Agency , Clean Energy Ministerial and Electric Vehicles Initiative , Global EV outlook understanding the electric vehicle landscape to 2020 (2013)
5. European Commission Press Release , EU launches clean fuel strategy ( Brussels, 2013), http://europa.eu/rapid/press-release_IP-13-40_en.htm