Tenneco

Tenneco Inc. designs, manufactures, and sells clean air, powertrain, and ride performance products and systems for light vehicle, commercial truck, off-highway, industrial, and aftermarket customers worldwide. The company operates through Clean Air, Powertrain, Ride Performance, and Motorparts segments. It offers clean air products and systems, including catalytic converters and diesel oxidation catalysts, diesel particulate filters, burner systems, lean nitrogen oxide (NOx) traps, hydrocarbon vaporizers and injectors, selective catalytic reduction (SCR) systems, SCR-coated diesel particulate filters systems, urea dosing systems, four-way catalysts, alternative NOx reduction technologies, mufflers and resonators, fabricated exhaust manifolds, pipes, hydroformed assemblies, elastomeric hangers and isolators, and aftertreatment control units. The company also provides powertrain products and systems, such as pistons, piston rings, cylinder liners, valve seats and guides, bearings, spark