Guinness World Records (2012) Best-Selling Electric Car.
 (2015) Holistically Defining e-Mobility: A Modern Approach to Systematic Literature Reviews.
 Fabian, H. and Gota, S. (2009) CO2 Emissions from the Land Transport Sector in the Philippines: Estimates and Policy Implications. Proceedings of the 17th Annual Conference of the Transportation Science Society of the Philippines.
 Martin, K. (2010) Plug-In Hybrid Electric Vehicle Control Strategies Utilizing Multiple Peaking Power Sources. Master’s Thesis, University of Windsor, Canada.
 Baharin, M.A. (2010) Solar Bicycle. Faculty of Electrical and Electronics Engineering, University of Pahang, Malaysia.
 Gocmen, A. (2011) Designed a Two-Wheeled Electric Vehicle. Presented to the Academic Faculty of the Georgia Institute of Technology.