The upcoming Euro 7 vehicle exhaust emissions regulation includes particle number (PN)
limits for all vehicles, not only those with direct fuel injection. It also sets the lower detection …

Passenger and commercial transportation significantly contribute to hazardous air pollution.
Exhaust gas after-treatment technology advances closely to the emission regulations …

Ultrafine particles (UFPs) dominate the atmospheric particles in number concentration,
impacting human health and climate change. However, existing studies primarily rely on …

This study aimed to investigate the interrelationships between key harmful emission
components, nitrogen oxides (NOx), and particulate numbers (PNs) in diesel engine exhaust …

In this work, we investigated the influence of different types of soot aerosol on the counting
efficiency (CE) of instruments employed for the periodic technical inspection (PTI) of diesel …

The subject of assessing exhaust emissions in real driving conditions has been relevant for
a long time. Its introduction into approval tests focused attention on the comparative …

In Europe and Asia, vehicle emissions regulations include a number limit for particles larger
than 23 nm, which might be reduced to 10 nm in the future. A particle number system (LABS) …

This research article presents an optimized approach to enhance the performance of the
APC exhaust gas particle analyzer, a significant instrument used for exhaust emission …

Increasing aviation activities have heightened concerns about particulate emissions from
aircraft engines. Current ICAO standards mainly focus on large civil turbofan engines …

Condensation particle counters (CPCs) use light scattering to count particles after they have
grown to micron size in a supersaturated environment. In single counting mode each particle …