T-5B - Energy Transformation T-5B1 - Petroleum Refinement T-5B2 - Biofuel Refinement T-5B3 - Natural Gas Refinement T-5B4 - Hydrogen Refinement T-5B5 - Other T-5B6 - Fugitive Emissions from Fuel Transformation 10% This page is currently in the planning phase. Please check back soon for updates.