1. Argonne National Laboratory;Autonomie,2013
2. Benefits of direct injection in hydrogen engine;Boyer,2007
3. Well-to-wheels analysis of advanced fuel/vehicle systems – a north american study of energy use, greenhouse gas emissions, and criteria pollutant emissions, adapted Figure 4–5;Brinkman,2005
4. Clean Hydrogen in European Cities (CHIC) project;CHIC,2012
5. Hydrogen enriched natural gas as a motor fuel with variable air fuel ratio and fuel mixture control;Collier,1998