More commonly known as AdBlue, DEF is an additive that mixes with exhaust emissions to neutralize NOx. It is a urea and water ...

After diesel exhaust passes through the oxidation catalyst and a particulate filter, diesel exhaust fluid (DEF, branded by VW as AdBlue) is injected into the stream before entering the reduction ...

A new EPA memo is circulating around the agency aimed at rolling back a landmark finding critical to climate change rules, ...

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PUBLIC NOTICE City of Torrington ) County of Goshen ) State of Wyoming ) The Torrington City Council met in regular session on Tuesday, July 15, 2025 in the City Council Chambers at 436 East 22nd Ave.