Founded in 2018, Tenneco Clean Air India Limited is a subsidiary of Tenneco Inc., a global company known for its clean air and powertrain products used in automobiles. The company operates under the Clean Air division, focusing on emission control systems for both light and commercial vehicles. In India, it provides advanced exhaust and after-treatment solutions such as catalytic converters, diesel particulate filters, mufflers, and exhaust pipes to help manufacturers comply with Bharat Stage VI emission standards. Tenneco Clean Air has 12 manufacturing facilities across seven states and one union territory, supporting OEMs and Tier 1 customers. Its operations include two main divisions: Clean Air & Powertrain Solutions, and Advanced Ride Technologies, which produces shock absorbers, struts, and suspension systems. As of March 31, 2025, the company had 145 employees working in design, engineering, and R&D, with a strong focus on sustainability and innovation.