EU Considers Expanding Particle Number Measurement to Gasoline Engines for Cleaner Air
EU committees and testing organizations are discussing a significant expansion of particle number measurement (PN) to include gasoline engines, particularly direct injectors, and potentially older Euro-5b diesel vehicles. This move aims to improve air quality and protect public health.
Currently, PN measurement is mandatory for Euro-6 diesel vehicles during the exhaust gas inspection (AU). It helps detect increased particle numbers in case of a fault. If implemented, this test would be added to the existing exhaust gas control during the HU/AU for gasoline engines, potentially increasing testing effort and costs. More frequent main inspections and expanded checks, such as drive batteries and assistance systems, are also being debated.
The effectiveness of expanded PN measurements depends on practical and uniform limits, measurement protocols, and costs. For gasoline engines, clear regulations with limits and standardized measurement procedures are needed before the PN measurement can begin. Testing organizations like TÜV and GTÜ support the PN measurement as an effective way to detect defective exhaust gas systems and manipulated systems.
The potential expansion of particle number measurement to gasoline engines and older diesel vehicles is a step towards cleaner air and better health. However, clear regulations and practical solutions are needed to ensure the effectiveness and affordability of these measures. The final decision and implementation timeline are yet to be determined.
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