Reduction of Exhaust Emissions in Different Type Vehicles
(All tests were at state emission test stations)

Type Vehicle Type Test
CO Before
CO After
CO% Reduction
HC Before
HC
After
HC% Reduction
NOx Before
NOx After
NOx% Reduction
Sedan 1996 Lumina RM240

Dynox

1,0 g/mi .02 g/mi
80%
.03 g/mi
.02 g/mi
.33%
1.24 g/mi
1.06 g/mi
17%
Sedan 1990 Honda Tailpipe
0.8%
0.2%
75%
165 ppm
0.0ppmx
100%
---
---
 
Sports Car 1987 Nissan 300ZX
Tailpipe
1.09%
0.0%x
100%
265 ppm
10 ppm
96.2%
---
---
 
4WD 1990 Ford Bronco
Tailpipe
.09%
0.0%1
100%
135 ppm
0.0x
100%
---
---
 
Pickup Truck 1987 Toyota
Tailpipe
1.5%
0.0%x
100%
280 ppm
40 ppm
86%
---
---
 
Sedan 1996 Chevy Lumina
RM240 Dyno
                 
Sedan 1989 Honda
Tailpipe
     
165 ppm
0.0 ppmx
100%
     
1996 Chevy Lumina
RM240
1.0 g/mi
.02 g/mi
80%
           
1990 Honda
Tailpipe
                 

 

xTest result is limited by the sensitivity of the test equipment

1Better not to have standard--too many numbers            

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