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每周少开一天车 减排效果惊人
2017-08-30 07:41:27 中国青年网
对于身处同一城市的市民来说,良好的生态环境和人居环境,需要人人参与,共治共享。以近期“四少行动”中的“少开一天车”为例,无论是汽油车还是柴油车,使用过程中都会产生上百种污染物。由于小汽车运输效率低,单位运输人数和单位行驶里程消耗燃油多,排放的污染物必然也多。尤其是在交通拥挤时段,汽车行驶速度低,频繁加速减速,所排放污染物更多。而城市公共交通和轨道交通运输效率高,单位运输人数所排放的污染物要少得多。
算一算,效果惊人。据环保部发布的《2017年中国机动车污染防治年报》,2016年全国机动车保有量达2.95亿辆,当年全国机动车排放污染物初步核算为4472.5万吨。截至2016年底,成都市机动车保有量增至465万辆,仅次于北京。按平均值计算,成都市机动车每年产生70.5万吨污染物,平均一天约1931.5吨。如果每位车主每周少开一天车,全年就能少产生10万余吨大气污染物。
从改善交通、减少污染的效果看,大力发展公共交通,特别是轨道交通,是目前城市发展最好的出路。目前,成都正大力推进轨道交通加速成网。按计划,今年下半年将先后开通地铁10号线一期和7号线。届时,我市轨道交通运营里程将达到179公里。2018年我市将开通地铁1号线三期和有轨电车蓉2号线。预计到2022年,我市轨道交通运营里程将达到600公里以上,公共交通出行占机动化出行的比例超过65%。成都晚报记者 薛欢
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