Cold Weather Diesel Reliability Act of 2026

Congress finds that—

(1) diesel vehicles are vital for critical transportation and emergency services in cold weather regions;

(2) in rural regions with prolonged freezing conditions, diesel exhaust fluid storage, supply, and system functionality are frequently unreliable and logistically impractical on a year-round basis;

(3) automatic engine shutdowns and power reductions due to emissions control malfunctions in extreme cold pose serious, life-threatening risks; and

(4) emissions safeguards under the Clean Air Act (42 U.S.C. 7401 et seq.) were never intended to jeopardize human safety or impede critical mobility.