Public awareness of air quality issues has continued to increase globally. Our emission control catalysts and technologies for low or zero emission transport are a key part of the solution

What we do

Catalysts for Light and Heavy Duty Vehicles

Catalysts for Light and Heavy Duty Vehicles

Our catalyst technologies enable manufacturers of cars, trucks, buses and motorcycles to meet the latest emissions legislation


On-Road Diesel Retrofit

On-Road Diesel Retrofit

Johnson Matthey and its partners offer several emissions reduction systems that can be fitted to diesel engines for trucks and buses already in service


Non-Road Diesel Retrofit

Non-Road Diesel Retrofit

Our retrofit diesel particulate filter systems are used to reduce harmful emissions from many makes of non-road vehicles and machines


Stationary Emissions Control

Stationary Emissions Control

Our catalytic after-treatment technology is used to control emissions from the exhaust gas of large sources, such as power plants, engines and industrial processes


The Queen’s Award: Sustainable Development

The Queen’s Award: Sustainable Development

Johnson Matthey, a global leader in emission control technologies, won The Queen’s Award for Enterprise in Sustainable Development 2014