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EPA Tier 4 compliance
Clean air solutions: our integrated SCRT® technology for US EPA Tier 4 diesel engine compliance.
ExploreThree-way catalyst
Clean air solutions: Johnson Matthey's three-way catalysts prevent air pollution from rich-burn and stoichiometric gas engines.
ExploreMODULEX and DUALOX catalytic converters and converter-silencers
Clean air solutions: Johnson Matthey's MODULEX and DUALOX® catalytic converters for stationary engines were developed to satisfy the increasing demand for clean air technology combined with silencing.
ExploreMixed oxide catalyst pellets and honeycombs
Clean air solutions: Johnson Matthey’s SINOx® mixed oxide catalysts can be used alone or in combination with precious metal oxidation catalysts for more efficient and economical catalyst systems.
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