June 20, 2025Comment 0 « Back to Glossary Index Gases released into the air, often from burning fuels. Related Articles: What is Hydrogen and How is it Produced?Byproduct HydrogenBlendingCarbon Capture and Storage (CCS)Carbon Footprint« Back to Glossary Index Energy Density Efficiency Related Posts 🇪🇺 What Can the Clean Hydrogen Industry Expect from Subsidy Auctions in 2026? Posted on January 3, 2026 🇩🇪 GET Hâ‚‚ Installs 64 Electrolysis Stacks at Lingen Milestone Posted on July 24, 2025 Yellow Hydrogen Posted on July 30, 2025