Focus Group on European Electro-Mobility Standardization for road vehicles and associated infrastructure Report in response to Commission Mandate M/468 concerning the charging of electric vehicles European Committee for Electrotechnical Standardization, October 2011
PEV Readiness Study: Electric Vehicles in America Roland Berger Strategy Consultants, Rocky Mountain Institute, Project Get Ready, 2010
Plug-in Electric Vehicles: A Practical Plan for Progress School of Public and Environmental Affairs at Indiana University, February 2011