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NOTICE This report was prepared as an account of work sponsored by an agency of the United States government. Neither the United States government nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States government or any agency thereof. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States government or any agency thereof. This interim report presents partial (six months) results for a technology evaluation of gasoline hybrid electric parcel delivery trucks operated by FedEx in and around Los Angeles, CA. FedEx is a large commercial fleet that operates more than 22,000 motorized vehicles and has hybrid electric (diesel and gasoline) vehicles currently in service. FedEx has deployed 20 gasoline hybrid electric vehicles (gHEVs) on parcel delivery routes in the Sacramento and Los Angeles areas. A 12 month in-use technology evaluation comparing in-use fuel economy and maintenance costs of GHEVs and comparative diesel parcel delivery trucks was started in April 2009. Six similar trucks were selected for this in-use evaluation project. Three of the trucks are gHEVs and three are conventional diesel trucks that serve as a control group. Comparison data was collected and analyzed for in-use fuel economy and fuel costs, maintenance costs, total operating costs, and vehicle uptime. In addition, this interim report presents results of parcel delivery drive cycle collection and analysis activities as well as emissions and fuel economy results of chassis dynamometer testing of a gHEV and a comparative diesel truck at the National Renewable Energy Laboratory's (NREL) ReFUEL laboratory. The goal of the ReFUEL testing was to quantify the reduction in emissions realized with the gHEV and to compare the fuel economy of a gHEV and a diesel vehicle. A robust drive cycle data collection and analysis effort framed the selection of study vehicles and routes as well as structured the measurement of vehicle emissions and fuel economy on the chassis dynamometer at NREL's ReFUEL laboratory. Tailpipe emissions from the gHEV were substantially lower across …

FedEx Gasoline Hybrid Electric Delivery Truck Evaluation: 6-Month Interim Report