The methane oxidation catalysts and additives market is projected to grow from USD 556.3 million in 2026 to USD 1,329.1 million by 2036, at a CAGR of 9.1%. Palladium-Based Oxidation Catalysts will dominate with a 32.0% market share, while landfill & biogas methane oxidation will lead the application sector segment with a 30.0% share.