Miles Per Gallon Gasoline Equivalent - Conversion To MPGe - Hydrogen Example With GGE

Hydrogen Example With GGE

The 2008 Honda FCX Clarity is advertised to have a vehicle consumption of 72 mi/kg-H
2. Hydrogen has an energy density of 120 MJ/kg (113,738 BTU/kg), by converting this energy density to a GGE, it is found that 1.012 kg of hydrogen is needed to meet the equivalent energy of one gallon of gasoline. This conversion factor can now be used to calculate the MPGe for this vehicle.

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