Stavy, M, The Carbon Content of Hydrogen Vehicle Fuel Produced With Water Electrolysis, was published in the Journal of Solar Energy Engineering (JSEE), February, 2005, Vol 127, Page 161. https://tinyurl.com/yca6tp36
ABSTRACT This paper discusses the four points in Kreith and Isler’s August, 2002 Journal of Solar Energy Engineering Discussion Note, Comments Dealing with Fuel Cell Energy Policy and Renewable Energy. The paper compares the carbon emissions (gm-CO2/mi) of the current US passenger gasoline vehicle (GV) fleet with a proposed US passenger hydrogen vehicle (HV) fleet. The paper uses the efficiency method to compute of the carbon content (gm-CO2/gal-H2) of hydrogen vehicle fuel (HVF) produced by a water electrolyzer. The carbon content of the electricity (gm-CO2/kWh) used to power a electrolyzer is used to compute the carbon content of the HVF. The fuel efficiency (mpg) of the current US GV fleet and of the proposed HV fleet are used to compute the carbon emissions of the two fleets. Kreith and Isler’s four points are demonstrated for H2 from a water electrolyzer. Equations and a list of abbreviations are provided.
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Michael STAVY, Advisor on the Finances of Renewable Energy Projects
Michael STAVY, Advisor on Renewable Energy Finance 
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