Page 24 - Methods For Monitoring And Diagnosing The Efficiency Of Catalytic Converters A Patent - oriented Survey

Type of Pollutant EC96 EC2000 EC200S US Federd TLEV LEV ULEV
engine Euro Stage Euro Stage Euro Stage emission ‘1996-1 998+) (2000) (2005)
zz IZZ zv standards (g/mile) (g/mile) (g/mile)
(@m) (ghm) (@m) (1996)
@mile)
co 2.2 2.3 1 3.4 14.2 3.4 14.2 3.4 I 4.2 1.7 I 2.1
HC + NO, 0.5 NIA NIA
HC NIA 0.2 0.1 0.04
Petrol NO, NIA 0.15 0.08 0.4 10.6 0.4 10.6 0.2 10.3 0.2 10.3
NMHC* 0.25 10.31
Nh4OG** 3.125 1’0.156 0.075 I 0.09C 0.04 I 0.055
~
Diesel co 1 0.64 0.5
indirect HC + NO, 0.7 0.56 0.3
injection NO, NIA 0.5 0.25
Particles 0.08 0.05 0.025
~
Diesel co 1 0.64 0.5
direct HC + NO, 0.9 0.56 0.3
injection NO, NIA 0.5 0.25
Particles 0.1 0.05 0.025
Durability 80000 km 80000 km 80000 km 50000 miles 50000 miles 50000 miles 50000 miles
(or 5 years) I’ (or 5 years) I’ (or 5 years), [or 5 years) I’
100000 miles 100000 miles 100000 mile: 100000 miles
(or 10 years) (or 10 years) (or 10 years; (or 10 years)

*NMHC: Non-methane hydrocarbons **NMOG: Non-methane organic gases

Table 1 : European and American Exhaust Emission Standards for Passenger cars