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NRDC: No Breathing in the Aisles: Diesel Exhaust Inside School ...

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APPENDIX E<br />

Emissions Comparisons of ARB Certified <strong>Diesel</strong>, CNG, Propane (LPG) <strong>School</strong> Bus Eng<strong>in</strong>es<br />

and <strong>No</strong>n-Certified “Green” <strong>Diesel</strong> <strong>School</strong> Bus Eng<strong>in</strong>e Technology<br />

Pollutants<br />

and EPA<br />

Emission<br />

Standards<br />

NOx (4.0<br />

g/bhp-hr)<br />

PM (0.1<br />

g/bhp-hr)<br />

CO (15.5<br />

g/bhp-hr)<br />

NMHC (1.2<br />

g/bhp-hr)<br />

Pollutants<br />

(g/mi)<br />

52<br />

NOx <strong>in</strong><br />

(g/mi)<br />

Cumm<strong>in</strong>s<br />

5.9L (DSL)<br />

'01<br />

’00/’01 Certified Emissions (g/bhp-hr)<br />

for <strong>School</strong> Bus Eng<strong>in</strong>e 138 and Fuel Type 139<br />

Uncertified<br />

140<br />

Cumm<strong>in</strong>s Cumm<strong>in</strong>s John Inter- John Caterpillar Cumm<strong>in</strong>s Cumm<strong>in</strong>s Inter- International<br />

5.9L 5.9L Deere nationa Deere 3126 (DSL) 8.3L (DSL) 8.3L national Green <strong>Diesel</strong><br />

(CNG) '00 (LPG) '00 6.8L l 7.6L 8.1L '01 '01 (CNG) '00 8.7L (

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