1. Ohnsman , A. 2010 Toyota Targets $50,000 Price for First Hydrogen Car http://www.businessweek.com/news/2010-05-06/toyota-targets-50-000-price-for-first-hydrogen-car-update2-.html
2. Hamprecht , H. 2011 Daimler Predicts Price Declines for EVs, Fuel Cells http://www.autonews.com/apps/pbcs.dll/article?AID=/20110122/ANE/110129948/1193
3. Harris , S. 2010 GM to Streamline Production of fuel cell Systems http://www.theengineer.co.uk/news/gm-to-streamline-production-of-fuel-cell-systems/1006443.article
4. McKinsey & Company 2010 A Portfolio of Powertrains for Europe: a Fact-Based Analysis http://www.zeroemissionvehicles.eu/