5 resultados para vehicles

em Iowa Publications Online (IPO) - State Library, State of Iowa (Iowa), United States


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The overall objective of this experimental program was to obtain quantitative comparisons between leaded and nonleaded gasolines as used in a variety of Iowa State Highway Connnission vehicles. These quantitative comparisons were to be made in terms of exhaust emissions, maintenance costs and fuel economy.

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Registered FFVs Effective 1/2011

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Registered FFVs Effective 1/2012

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Registered FFVs Effective 1/2013

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Registered FFVs Effective 1/2014