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EPA Proposes Tougher SCR Guidelines

The U.S. Environmental Protection Agency has updated its guidance for certification of diesel truck engines using selective catalytic reduction (SCR) to reduce emissions.

June 20, 2011

The U.S. Environmental Protection Agency has updated its guidance for certification of diesel truck engines using selective catalytic reduction (SCR) to reduce emissions.

The pollution control systems most engine manufacturers used to meet 2010 emission standards have been effective, but technical developments justify tougher guidelines, said EPA.

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Source: Fleet Maintenance

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