1. The promise of fuel cell-based automobiles;Shukla;Bull Mater Sci,2003
2. Climate change: the physical science basis, summary for policy makers;IPCC Fifth Assessment Report,2013
3. Transport energy and CO2,2009
4. CO2 emissions from fuel combustion,2015
5. Beyond demonstration: the role of fuel cells in DoD's energy strategy;Gross,2011