Webber EPC – Hydrogen (H2) – The Production Roadmap Laying Out The Upstream, Midstream, & Downstream Process – Hydrogen ∙ Ammonia – Q420. Upstream Sources Of Hydrogen – Blue & Green (Pages 4 – 9) :    >95% of Hydrogen (H2) is produced using Steam Methane Reformer (SMR) technology that produces 7 units of CO2/unit of H2 (on average) . SMR w/ a carbon capture system (Blue H2) is the preferred option to environmentally manage excess CO2. (page 7). Green H2 provides minimal CO2 but current technology limits Green H2’s cost competitiveness. (Page 6)…..