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Navistar: EPA gave SCR "license to pollute"

June 12, 2009

The U.S. Environmental Protection Agency (EPA) "has been diverted from its environmental mission and somehow talked into an environmentally hostile action," according to court papers filed by Navistar Inc. In an issue that revolves around EPA's recently issued certification standards and "guidance" for diesel engines using selective catalytic reduction (SCR) to meet 2010 emissions requirements, the latest legal salvo by the Illinois-based truck maker charges that those standards "turn back the clock on NOx reduction," and provide "permission for SCR to pollute for convenience."

Navistar originally challenged the EPA's SCR actions in late March, asking the U.S. Court of Appeals for the District of Columbia to review those actions, which it said violated federal rulemaking requirements and the Clean Air Act. Subsequently, Cummins Inc., Detroit Diesel Corp., Daimler Trucks North America LLC (DTNA), Volvo Group North America Inc. and Mack Trucks Inc. as a group asked the court that they be allowed to participate in the case as amici curiae, or friends of the court. The group members, along with Paccar and its Peterbilt and Kenworth subsidiaries, have all committed to using SCR to meet the federal emissions requirement that NOx emissions from diesel engines be at or below 0.2 g/bhp-hr. beginning Jan. 1, 2010.

In response, Navistar has now opposed the amici curiae request in a motion filed on June 8.

Navistar: EPA gave SCR "license to pollute"

June 12, 2009

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