NYSE: TEN / Get Stock Price Suppliers Contact Who We Are Product Lines News Brands Careers Investors Governance Commercial Truck and Off-Highway Home>Product Lines>Clean Air>Commercial Truck and Off-Highway Product Lines Clean Air Ride Performance Resources Clean Air brochures XNOx™ SCR Fabricated Manifolds - CV Electric Valve Aftertreatment Solutions in Place Today to Meet the Needs of Tomorrow Tenneco is a leading supplier to the global commercial truck and off-highway markets with a full suite of aftertreatment solutions tailored to any engine size or powertrain strategy, and designed to meet increasingly stringent emission standards taking effect worldwide. Tenneco Clean Air Solutions Reduction of Criteria Pollutants Converters Particulate Filters SCR Solutions Compact Mixing Solutions Improving Fuel Economy / Reducing Greenhouse Gases Waste Heat Recovery Exhaust System Components Manifolds Site Map Stock Quote Privacy Policy Terms & Conditions © 2021 Tenneco Inc. All rights reserved