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2010 Sustainability Report - Cummins.com

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About our charts<br />

The charts on this page and the next illustrate<br />

<strong>Cummins</strong>’ <strong>com</strong>mitment to the environment<br />

by often exceeding U.S. emissions standards.<br />

The on-road charts for North America <strong>com</strong>pare<br />

the estimated maximum allowable emissions by<br />

U.S. EPA standards <strong>com</strong>pared to <strong>Cummins</strong>’<br />

estimate of its engines’ actual emissions for<br />

the past three years.<br />

Estimates are based on the number of engines,<br />

both heavy-duty and midrange, manufactured in<br />

the United States for on-highway use per year.<br />

<strong>Cummins</strong> engines have released far less<br />

Hydrocarbon and Carbon Monoxide into the<br />

environment than the maximum allowed by the<br />

EPA. And even by the tough Nitrogen Oxide and<br />

Particulate Matter measures, <strong>Cummins</strong> has been<br />

under the standards.<br />

The figures in the non-road charts are based<br />

on the number of midrange, heavy-duty and<br />

high-horsepower engines produced to EPA<br />

standards. As with <strong>Cummins</strong>’ on-road engines,<br />

these non-road engines release far less HC and<br />

CO into the environment than the maximum<br />

allowed by regulatory agencies. Likewise, NOx<br />

and PM actual emission levels are under the<br />

applicable standards.<br />

Automotive useful life emissions total<br />

in thousands of tons<br />

Nitrogen Oxides<br />

Hydrocarbons<br />

Carbon Monoxide<br />

Particulate Matter<br />

NOx<br />

HC<br />

CO<br />

PM<br />

3300<br />

2200<br />

. . .<br />

. . .<br />

. . .<br />

. . . . .<br />

. . . . . .<br />

500<br />

400<br />

300<br />

200<br />

100<br />

0<br />

2007 2008 2009 2007 2008 2009 2007 2008 2009 2007 2008 2009<br />

EPA Allowed<br />

<strong>Cummins</strong> Produced<br />

26 <strong>Cummins</strong> Inc. <strong>Sustainability</strong> <strong>Report</strong> <strong>2010</strong>

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