“we reduce emissions” describes that Hug Engineering is taking care of all needs of the customers with regards to Exhaust Gas Purification.

Established in 1983, Hug Engineering AG – based in Elsau/Switzerland – is acknowledged as one of the leading manufacturers of exhaust gas purification systems for diesel- and gas-powered engines in both stationary and mobile applications. Furthermore, Hug Engineering has a unique level of know-how in the reduction of emissions.


Hug Engineering provides efficient solutions and customized systems in the field of exhaust gas purification. It is one of the few manufacturers to develop, design, and produce every single key component themselves.
Hug Engineering’s global distribution network covers all the main international markets, guaranteeing customers prompt and continuous support in every area – sales, maintenance, replacement parts, and service. Support can also be given with regards to IMO Tier III.


Hug Engineering AG is a subsidiary of ElringKlinger AG, a global development partner and volume supplier to the automotive industry.