London Non Road Mobile Machinery Low Emission Zone

The London NRMM LEZ requires equipment from 37kW and 560kW used in London to meet the following standards (for both variable and constant speed engines.)


Central Activity Zone or Canary Wharf

Greater London

From Sept 2015

Stage IIIB or best available retrofit technology

Stage IIIA or best available retrofit technology

From Sept 2020

Stage IV or best available retrofit technology

Stage IIIB or best available retrofit technology 

The Eminox CRT® (Continuously Regenerating Trap) retrofit system is VERT certified and approved by the Energy Savings Trust for NRMM, for further details visit the Energy Savings Trust website. It has been widely used in major retrofit programmes across Europe.

The system uses diesel particulate filter technology, which can upgrade equipment from Stage II to Stage IV Particulate Matter (PM) emissions standard and represents best available retrofit technology for NRMM.

More about CRT retrofit technology

The Eminox CRT system can be fitted to non road machines such as mobile cranes, excavators, loaders, backhoe loaders, dump trucks, bulldozers, road finishing machines, telehandlers, graders and scrapers.  We work closely with operators to develop systems that meet challenging space requirements.

Eminox has been supplying exhaust and emission control systems for the non-road market since 1988.  We supply Original Equipment Manufacturers (OEMs), including Liebherr, Caterpillar, Volvo Penta, Doosan and Terex-Demag.

Case Study: Weldex Cranes

Case Study: Hewitt Sportsturf

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