Tenneco is committed to enabling more efficient, more powerful, more sophisticated engines and developing advanced systems to ... reduce emissions in traditional and hybrid applications. Formed from the combination of Tenneco Clean Air and Federal-Mogul Powertrain, the new Tenneco will bring together more than a century of innovation to serve light vehicle, commercial truck, off-highway and large engine OE customers worldwide. Tenneco's engineered solutions improve fuel economy and power output, and reduce criteria pollutants and greenhouse gas emissions for gasoline, diesel and electrified powertrains. read more