California ARB Seeks Further Reductions of Diesel Emissions at State Rail Yards
Green Car Congress
SEPTEMBER 26, 2009
Source: Staff presentation. Implementation dates would be staggered to coincide with the development and commercial production of these advanced technologies. Union Pacific operates in 23 states west of Chicago, while BNSF Railway is present in 28. NO x helps create ground-level ozone, or smog. ARB Staff Presentation.
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