Comparison of In-Use Operating Costs of Hybrid-Electric and Conventional School Buses
نویسندگان
چکیده
منابع مشابه
Comparison of In-Use Operating Costs of Hybrid-Electric and Conventional School Buses
Hybrid-electric school buses became available in the US through a national consortium designed to bring hybrid-electric school buses to market by creating enough demand among school districts to encourage manufacturers to invest in development of the technology. A number of school districts in the US joined the HESB project to purchase plug-in hybrid-electric school buses. Sixteen hybrid-electr...
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چکیده ندارد.
15 صفحه اولIn-use Fuel Economy and Emission Benefits of Hybrid- Electric School Buses in Iowa
It is much safer and more fuel-efficient to transport children to school in buses than in private vehicles. However, school buses still consume 8.2 million gallons of diesel fuel annually, and transportation costs can be a significant portion of school districts’ budgets. Children in dieselpowered school buses may also be exposed to higher levels of particulates and other pollutants than childr...
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testing plays a vital role in any language teaching program. it allows teachers and stakeholders, including program administrators, parents, admissions officers and prospective employers to be assured that the learners are progressing according to an accepted standard (douglas, 2010). the problems currently facing language testers have both practical and theoretical implications but the first i...
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ژورنال
عنوان ژورنال: Journal of Transportation Technologies
سال: 2012
ISSN: 2160-0473,2160-0481
DOI: 10.4236/jtts.2012.22017