969 resultados para AUTOMOBILE DRIVING


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This paper examines the political responses of German automobile firms to the 1992 Single Market initiative. I argue that the decision by firms to try to influence EC policies depends on the perceived economic impact of the single market and ,the market alternative open to firms, while the decision on how to lobby depends on the size of the finn and the institutional and strategic environment in which a firm operates. I use this framework to explain why German automobile firms were slow in responding the single market initiative and why, when they did choose to lobby, the firms pursued different political strategies. The research suggests that we should not limit our studies to the political activity of trade associations and sectors, but should also examine the political strategies and activities of individual firms. It also suggests that, as integration efforts in Europe proceed, there is likely to be increased activity by individual firms and national associations because European trade associations may not be able to agree on specific EC policy proposals.

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La presente tesi si occupa di identificare la metodologia utilizzata per la definizione di percorsi Real Driving Emissions. Nel particolare sono stati individuati due percorsi, uno in piano, definite RDE Moderate Track ed uno in quota, definito RDE Extended Track. Si è anche eseguita una analisi dei cicli su banco a rulli NEDC e WLTC in ottica Real Driving Emissions.

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For driving aptitude assessment (DAA), the analysis of several alcohol biomarkers is essential for the detection of alcohol intake besides psycho-medical exploration. In Switzerland, EtG in hair (hEtG) is often the only direct marker for abstinence monitoring in DAA. Therefore, the suitability of phosphatidylethanol (PEth) was investigated as additional biomarker. PEth 16:0/18:1 and 16:0/18:2 were determined by online-SPE-LC-MS/MS in 136 blood samples of persons undergoing DAA and compared to hEtG, determined in hair segments taken at the same time. With a PEth 16:0/18:1 threshold of 210 ng/mL for excessive alcohol consumption, all (n = 30) but one tested person also had hEtG values ≥30 pg/mg. In 54 cases, results are not in contradiction to an abstinence as neither PEth (<20 ng/mL) nor hEtG (<7 pg/mg) was detected. In eight cases, both markers showed moderate consumption. Altogether, PEth and hEtG were in accordance in 68 % of the samples, although covering different time periods of alcohol consumption. With receiver operating characteristic analysis, PEth was evaluated to differentiate abstinence, moderate, and excessive alcohol consumption in accordance with hEtG limits. A PEth 16:0/18:1 threshold of 150 ng/mL resulted in the best sensitivity (70.6 %) and specificity (98.8 %) for excessive consumption. Values between 20 and 150 ng/mL passed for moderate consumption, values <20 ng/mL passed for abstinence. As PEth mostly has a shorter detection window (2-4 weeks) than hEtG (up to 6 months depending on hair length), changes in drinking behavior can be detected earlier by PEth than by hEtG analysis alone. Therefore, PEth helps to improve the diagnostic information and is a valuable additional alcohol marker for DAA.

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National Highway Traffic Safety Administration, Office of Research and Traffic Records, Washington, D.C.

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National Highway Traffic Safety Administration, Office of Research and Traffic Records, Washington, D.C.

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National Highway Traffic Safety Administration, Washington, D.C.

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Federal Highway Administration, Office of Safety and Traffic Operations, Washington, D.C.

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National Highway Traffic Safety Administration, Washington, D.C.

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National Highway Traffic Safety Administration, Washington, D.C.

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Mode of access: Internet.

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Texas State Department of Highways and Public Transportation, Transportation Planning Division, Austin

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Mode of access: Internet.