^[1]R.W. Weisberg, Creativity: Understanding Innovation in Problem Solving, Science, Invention, and the Arts (New York: John Wiley & Sons, 2006).

^[2]A.F. Osborn, “Applied Imagination,” 1953. http://psycnet.apa.org/psycinfo/1954-05646-000

^[3]E. De Bono, Six Thinking Hats (Penguin, 1989).

^[4]Agência AutoInforme: Siena Tetrafuel vai custar R$ 41,9 mil http://www.webmotors.com.br/wmpublicador/Noticias_Conteudo.vxlpub?hnid=36391 Accessed on 3 June 2009.

^[5]M. Phenix, “BMW’s Hybrid Vision: Gasoline and Steam: This Novel Concept Uses Your Car’s Wasted Heat to Enhance Power and Fuel Economy,” Popular Science 268, no. 3 (2006): 22.

^[6]R. Harmon, “Alternative Vehicle-Propulsion Systems (Electric Systems, Gas Turbines and Fuel Cells),” Mechanical Engineering-CIME 114, no. 3 (1992): 58.

^[7]J. King, The King Review of Low Carbon Cars: Part I–The Potential for CO₂ Reduction (London: UK HM Treasury, 2007). ISBN: 978-1-84532-335-6

^[8]R. Lache, D. Galves, and P. Nolan (Eds.), Electric Cars: Plugged In, Batteries Must Be Included (Deutsche Bank Global Market Research, 2008).

^[9]A.S. Brown, “Fuel Cells Down the Road?” Mechanical Engineering-CIME 129, no. 10 (2007): 36.

^[10]D. Naunin, Hybrid, Batterie- und Brennstoffzellenelektrofahrzeuge: Technik, Struckturen und Entwicklung (Renningen: Expert Verlag, 1989). ISBN: 3816924336, 9783816924333

^[11]M. Ehsani, A. Emadi, and Y. Gao, Modern Electric, Hybrid Electric, and Fuel Cell Vehicles: Fundamentals, Theory, and Design (CRC Press, 2009). ISBN: 1420053981

^[12]D.B. Sandalow, Plug-In Electric Vehicles: What Role for Washington? Washington, DC: Brookings ­Institution Press, 2009). ISBN: 0815703058, 9780815703051

^[13]C. Gorbea, “Vehicle Architecture and Lifecycle Cost Analysis in a New Age of Architectural Competition.” Dissertation, TU Munich, 2011.

^[14]M. Bazerman and D.A. Moore, “Judgment in Managerial Decision Making,” 2012. https://research.hks.harvard.edu/publications/citation.aspx?PubId=9028&type=FN&PersonId=268

^[15]G. Pahl and W. Beitz, Engineering Design: A Systematic Approach (New York: Springer, 1995).

^[16]R.M. Henderson and K.B. Clark, “Architectural Innovation: The Reconfiguration of Existing Product Technologies and the Failure of Established Firms,” Administrative Science Quarterly 35, no. 1 (1990): 9–30.

^[17]G. Farber, American Automobiles http://www.american-automobiles.com/Electric-Cars/Baker-Electric.html Accessed on 18 December 2009.

^[18]J.M. Utterback, Mastering the Dynamics of Innovation (Cambridge, MA: Harvard Business School Press, 1996). ISBN: 0875847404, 9780875847405

^[19]C. Gorbea, E. Fricke, and U. Lindemann, “The Design of Future Cars in a New Age of Architectural Competition,” ASME 2008 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference IDETC/CIE. Brooklyn, New York, 3–6 August 2008.