The new McNeilus CNG-powered mixer is said to be the first commercially manufactured concrete mixer running on compressed natural gas (CNG). It meets EPA 2010 heavy-duty engine emission standards for nitrogen oxides (NOx) and particulate matter (PM). McNeilus Truck and Manufacturing is a subsidiary of  Oshkosh Corp.

These CNG mixers, compared to their diesel counterparts, are claimed to offer lower fuel costs and reduced noise pollution while being six times cleaner. They’ll be fitted with 8.9L Cummins ISL G engines developed by Cummins Westport of B.C. and will use cooled exhaust gas recirculation (EGR).

McNeilus did the development work on the mixer by way of a grant from the California South Coast Air Quality Management District, the governing agency on air pollution for the Los Angeles South Coast Air Basin. The company already has experience as the only in-house manufacturer of CNG-powered refuse trucks.

McNeilus first plans to offer both Bridgemaster and Standard mixers on either the Kenworth W900 or T800 chassis. Other chassis manufacturers’ CNG platforms are pending.

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