Archive news for 10 August 2011

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New EPA draft guidance carries significant implications on DEF market

Sarah Jin - 10 August 2011

The Environmental Protection Agency (EPA) has produced a draft guidance document on July 7th with intentions to modify its certification program for NOx emission control reducing agents for SCR-equipped trucks. The new EPA draft guidance proposes to tighten the existing regulations in terms of the functioning of Low-DEF warning systems...