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Impact of Bulldozer's Engine Load Factor on Fuel Consumption, CO2 Emission and Cost

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Author(s): V. Kecojevic | D. Komljenovic

Journal: American Journal of Environmental Sciences
ISSN 1553-345X

Volume: 7;
Issue: 2;
Start page: 125;
Date: 2011;
Original page

Keywords: Engine load factor | fuel consumption | CO2 emission | mining industry | linear correlation | caterpillar bulldozers | diesel fuel | low idling | bulldozers consume | mining operations

ABSTRACT
Problem statement: Bulldozers consume a large amount of diesel fuel and consequently produce a significant quantity of CO2. Environmental and economic cost issues related to fuel consumption and CO2 emission represent a substantial challenge to the mining industry. Approach: Impact of engine load conditions on fuel consumption and the subsequent CO2 emission and cost was analyzed for Caterpillar bulldozers. Results were compared with the data on bulldozers' fuel consumption from an operating coal surface mine in the United States. Results: There is a strong linear correlation among power, fuel consumption and engine load factor. Reduction in load factor by 15% may significantly reduce the fuel consumption and the CO2 emission. Conclusion/Recommendation: Application of appropriate bulldozer's load factor may help mine operators manage fuel consumption, cost and environmental burden.
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