From code red ozone alerts in the nation's capital, to the creeping return of smog in Los Angeles work remains for healthy air across America. When sitting in traffic snarled streets, it's easy to think that gridlock is the only culprit. In reality "off-road" heavy diesel equipment -- the bulldozers that help build our cities to the combines that harvest our crops -- contributes more than its share. While pollution from highway vehicles has fallen over time, emissions from off-road engines have continued to climb, in large part because these engines have not had to meet the stricter standards that highway vehicles face.

If everything looks correct, click sign now. Your signature will not be added until you click the button below.
Loading...