Clean Air

Commercial Truck and Off-Highway

Product Lines

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


Improving Fuel Economy / Reducing Greenhouse Gases