A-5B - Energy Transformation A-5B1 - Petroleum Refinement¶ A-5B2 - Biofuel Refinement¶ A-5B3 - Natural Gas Refinement¶ A-5B4 - Hydrogen Refinement¶ A-5B5 - Other¶ A-5B6 - Fugitive Emissions from Fuel Transformation¶