Coca-Cola Refreshments Class 8 Diesel Electric Hybrid Tractor Evaluation [electronic resource] : 13-Month Final Report

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Tác giả:

Ngôn ngữ: eng

Ký hiệu phân loại: 622.8 Mine health and safety

Thông tin xuất bản: Washington, D.C. : Oak Ridge, Tenn. : United States. Office of the Assistant Secretary of Energy Efficiency and Renewable Energy ; Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, 2012

Mô tả vật lý: Size: 2 MB : , digital, PDF file.

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ID: 267384

 This 13-month evaluation used five Kenworth T370 hybrid tractors and five Freightliner M2106 standard diesel tractors at a Coca Cola Refreshments facility in Miami, Florida. The primary objective was to evaluate the fuel economy, emissions, and operational field performance of hybrid electric vehicles when compared to similar-use conventional diesel vehicles. A random dispatch system ensures thevehicles are used in a similar manner. GPS logging, fueling, and maintenance records and laboratory dynamometer testing are used to evaluate the performance of these hybrid tractors. Both groups drive similar duty cycles with similar kinetic intensity (0.95 vs. 0.69), average speed (20.6 vs. 24.3 mph), and stops per mile (1.9 vs. 1.5). The study demonstrated the hybrid group had a 13.7% fueleconomy improvement over the diesel group. Laboratory fuel economy and field fuel economy study showed similar trends along the range of KI and stops per mile. Hybrid maintenance costs were 51% lower per mile
  hybrid fuel costs per mile were 12% less than for the diesels
  and hybrid vehicle total cost of operation per mile was 24% less than the cost of operation for the diesel group.
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