Diesel

black smoke

50%

45%

filter system

opacity system

Measure while parking the car at no load by quickly accelerating the engine to max. rpm

40%

35%

filter system

opacity system

Measure while car runs steady on the roller at 60% of max. rpm

noise

100dBA

sound level meter as std. of International Electrotechnical Commission (IEC)

Measure while parking the car at no load by accelerating the engine to max. rpm.

Gasoline

registered before 1 Nov 93

CO

HC

4.5%

600ppm

NDIR System
(Non-Dispersive Infrared)

Measure while parking the car at idle and no load.

registered after 1 Nov 93

CO

HC

1.5%

200ppm

all gasoline vehicles

noise

100dBA

sound level meter as std. IEC

Measure while parking the car at no load by accelerating the engine to 3/4 of max. rpm.