A new legislative effort led by Sen. Dan Sullivan, R-Alaska, is drawing attention to a growing concern among truckers, fleet operators and rural communities: diesel exhaust fluid (DEF) freezes in extreme cold, potentially leaving drivers stranded in dangerous conditions. Removing DEF could finally give truckers a diesel reliability fix they have been waiting for. During an interview, Sullivan outlined his proposed “Diesel Reliability Act,” arguing current emissions regulations do not adequately account for real-world winter operating environments, particularly in northern states. Cold Weather Failures Drive Legislative Action for Diesel Reliability Fix Sullivan said the issue stems from how DEF systems […] (read full article...)
