The City of Los Angeles Environmental Affairs Department was awarded AB 2766 Discretionary Fund Contract No. ML06038. The project was conducted in cooperation with the Department of General Services and the Public Works Department Bureau of Street Services. During the contract period, the Department of General Services purchased twenty five (25) alternative-fuel Elgin Broom Bear street sweepers equipped with compressed natural gas (CNG) Cummins 8.3 liter, C Series, Gas Plus, 250 horsepower engines on behalf of the Bureau of Street Services (BOSS). BOSS placed all 25 sweepers in service in the City of Los Angeles, which is part of the larger South Coast Air Basin.
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The project has been completed.
The project objective was to purchase and deploy 25 CNG sweepers and gather performance and maintenance data during sweeper operation.
The estimated oxides of nitrogen (NOx) and particulate matter (PM) emission reductions attributable to this project are 0.0484 tons/year/vehicle and 0.0038 tons/year/vehicle, respectively. Data were analyzed for an annualized period from vehicle deployment to November 6, 2008. As the City continues to build and upgrade more CNG medium to heavy-duty fueling and maintenance facilities, and as maintenance and performance issues are resolved, the annual street sweeper mileage and cost effectiveness are expected to continue to improve accordingly.
Department of Public Works, Bureau of Street Services Division