California ARB Seeks Further Reductions of Diesel Emissions at State Rail Yards
Green Car Congress
SEPTEMBER 26, 2009
Total cost of those five measures is estimated to be $3.9 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. billion, with $3 billion of that consumed by the new Tier 4 interstate line haul locomotives.
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