Parameter Energy carrier CO2 intensity Pre-tax cost Conversion efficiency Energy efficiency factor Transportation Gasoline 73.1 tCO2/TJ 0.069 ct/kWh 2 - 2.1 Industry Grey hydrogen 56.1 tCO2/TJ 1 0.06 ct/kWh 73% - 1 Natural gas; 2 10-year mean. Comments SMR for the industry sector Diesel: ...