Characteristics of the passenger cars in traffic in Poland 2019, by EURO standard
most cars on the roads were diesel powered, except for passenger cars (PC). The real age of PC vehicles driving in the city is lower than the records indicate. Euro 6 emission requirements were met by 31 percent of cars, Euro 5 by 18 percent, Euro 4 by 26 percent, Euro 3 by 18 percent, and lower classes by seven percent.
The remote sensing of motor vehicle emissions study conducted in Krakow (Poland) in 2019 shows that