The use of alternative fuels in solid waste collection vehicles is required under South Coast AQMD Rule 1193. The MSRC, using its discretionary Clean Transportation Funding, provides incentives for alternative fueled refuse trucks that go "above and beyond" the emission reduction levels mandated by the AQMD. Low emission, alternative fuel refuse trucks are effective at reducting NOx emissions, an ozone precursor emission, and significantly reduce the level of diesel particulate matter emitted in the residential communities in which the trucks operate. Reductions in diesel exhaust particulate matter (PM) is extremely important, as diesel PM is classified as a toxic air contaminant by the California Air Resources Board.
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The City of Ontario took possession of three (3) front loaders, five (5) automated loaders, two (2) rear loaders, and one rolloff commercial refuse trucks in the period commencing October 2005 through December 2005. All trucks are equipped with the Cummins 8.3 liter C Gas Plus dedicated natrual gas engine. This engine is certified at the CARB Optional Low-NOx standard of 1.5 g/bhp-hr for the model year manufactured.
The City of Ontario replaced eleven (11) diesel-powered refuse trucks with new, compressed natural gas (CNG) refuse trucks. The trucks include Autocar WXLL64 front loader refuse collection vehicles, Freightliner Condor automated refuse trucks, Freightliner Condor rear loader trucks, and Freightliner roll-off vehicles. The vehicles range in gross vehicle weight rating from 39,001 to 56,000 GVWR.
The average mileage for a front loader used in commercial pickup operations is 110 miles per day; residential collection trucks such as the automated loaders average approximately 60 miles per day. Rear loader trucks used in industrial collection operations average 129 miles per day.
All trucks have been received and completed acceptance testing. The vehicles are currently operating in daily refuse collection service. All eleven refuse trucks are used on a daily basis with a minimum duty cycle of eight hours per day, 40 hours per week.