DEF is an acronym for diesel exhaust fluid used by diesel engines incorporating selective catalytic reduction (SCR) technology. As of Jan.1, DEF is now required for SCR-diesels to meet 2010 EPA emission standards.
DEF is an acronym for diesel exhaust fluid used by diesel engines incorporating selective catalytic reduction (SCR) technology. As of Jan.1, DEF is now required for SCR-diesels to meet 2010 EPA emission standards.
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