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首页> 外文期刊>Energy Policy >CO_2 benefit from the increasing percentage of diesel passenger cars. Case of Ireland
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CO_2 benefit from the increasing percentage of diesel passenger cars. Case of Ireland

机译：CO_2受益于柴油乘用车百分比的增加。爱尔兰案

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摘要

The decrease of CO_2 emissions is one way to minimize climate changes. An efficient way to decrease these emissions is the replacement of gasoline passenger cars (PCs) by diesel ones, which emit less CO_2. Most of the member countries of the European Union (EU) have high percentages of new diesel PC registrations; however, this percentage remains less than 17% in Ireland. The benefit on CO_2 emitted from new PCs is studied in the case of an increased diesel penetration in Ireland, after several scenarios using the current and estimated future PC sales and estimated fuel consumption. The results show that, in the case of new PCs, a CO_2 benefit of more than 2.9% can be achieved, if a diesel penetration higher than 30% occurs in the case of the current fleet. If this penetration reaches 50%, this benefit will be higher than 7.4%. Future total CO_2 emissions from new PCs can be partially controlled by the introduction of diesel PC or the replacement of heavy PCs by lighter ones. Future fuel consumption of gasoline and diesel PCs and the percentage of diesel penetration are the key factors for this control.
机译：减少CO_2排放量是减少气候变化的一种方法。减少这些排放的一种有效方法是用二氧化碳排放量较少的柴油乘用车代替汽油乘用车。欧盟（EU）的大多数成员国在柴油PC的新注册中所占的比例很高。但是，爱尔兰的这一比例仍不到17％。在几种情况下，使用当前和估计的未来PC销售量和估计的燃料消耗量，在爱尔兰柴油普及率提高的情况下，研究了新PC排放的CO_2的收益。结果表明，在新PC的情况下，如果当前机队的柴油渗透率超过30％，则可以实现2.9％以上的CO_2收益。如果渗透率达到50％，则收益将高于7.4％。新型PC的未来总CO_2排放可以通过引入柴油PC或用轻型PC代替重型PC来部分控制。汽油和柴油PC的未来燃料消耗以及柴油渗透率是此控制的关键因素。

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