Tenneco

Technology meets regulatory challenges

Tenneco entered the clean air business in the mid-1970s, with the introduction of catalytic converters to passenger cars, driven by the Clean Air Act of 1970. This initial act led, in subsequent decades, to a series of regulations and amendments that imposed stricter emissions standards and broadened coverage from gasoline-powered passenger vehicles to include diesel trucks and other machinery employed both on- and off-highway.

This regulatory evolution sparked the corresponding development of increasingly sophisticated technology to control emissions at prescribed levels, which has enabled Tenneco to expand its emissions control business beyond light vehicles. Today, Tenneco supplies diesel aftertreatment systems to leading global manufacturers of engines and commercial equipment for companies that include Caterpillar/Perkins, John Deere, Deutz, Scania, MAN, and Kubota.