Despite of generally improving air quality, many European urban areas fail to comply with current immission rules. Therefore, in the automotive sector including commercial vehicles tighter limits and test procedures for real driving emissions are in discussion or have already been adopted. For the commercial vehicle sector corresponding regulations are discussed as well as challenges and measures to meet the upcoming more stringent requirements.

中文翻译：

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最大限度地减少重型车辆的实际驾驶排放量–排气系统和法律

尽管总体上改善了空气质量，但许多欧洲城市地区仍未遵守现行的排放法规。因此，在包括商用车在内的汽车行业中，正在讨论或已经采用了更严格的限制和实际驾驶排放的测试程序。对于商用车部门，讨论了相应的法规以及满足即将到来的更严格要求的挑战和措施。