https://www.epa.gov/newsreleases/icymi-epas-new-guidance-removes-requirement-diesel-exhaust-fluid-def-sensors-saves https://www.epa.gov/newsreleases/icymi-epas-

https://www.epa.gov/newsreleases/icymi-epas-new-guidance-removes-requirement-diesel-exhaust-fluid-def-sensors-saves https://www.epa.gov/newsreleases/icymi-epas-new-guidance-rem... Is that still the case?