Archive news for 9 June 2011

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EPA publishes an updated draft of its SCR guidance document

Christopher Goodfellow - 9 June 2011

The Environmental Protection Agency (EPA) has released an updated draft of its on-highway Selective Catalytic Reduction (SCR) certification guidance. The document describes and seeks public comment on complying with adjustable parameter regulations which apply to the certification of on-high heavy-duty diesel engines. It says: "This...