2005 Statewide Railyard Agreement This Agreement was between CARB, Union Pacific Railroad, and BNSF. The 2005 Statewide Railyard Agreement concluded in 2015. The Agreement ensured:early use of low-sulfur diesel in locomotiveshealth risk assessments at California's major railyardslocomotive idling limits Documents 2005 MOU 2005 MOU REMEDIATED 03102020.PDF · 1.785 MB