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Technical Paper

Environmental and Economic Evaluations of Electric Vehicles

1995-12-01
952793
Electric vehicles(EVs) are expected to be effective in reducing various atmospheric emissions, but the extent of their advantages depends on the energy mix used in electric power generation. In this study, we first estimated the atmospheric emissions resulting from the use of EVs under the present energy mix. We then investigated the cost-effectiveness of EVs and other alternative fuel vehicles under the assumption that the structure of the present energy system was modified. EVs are apromising mode of future transportation and continuous efforts should be directed toward their development. At the same time, efforts must be made to reduce atmospheric emissions from power generation before EVs come into widespread use in the market.
Technical Paper

Fundamental Study of Oxidation in a Lean Thermal Reactor

1977-02-01
770297
The oxidation mechanism in a lean thermal reactor was studied with a number of basic experiments. It depends neither on engine speed nor airflow rate, but only on the residence time of the gas. It was shown that in a lean thermal reactor CO first increases by an HC→CO reaction and then decreases by a CO→CO2 reaction. The effect of NO on oxidation was also studied, and it was concluded that oxidation is affected by NO and that there exists a certain NO concentration which most accelerates oxidation.
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