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Study: Reducing Future Transportation CO2 Emissions to Kyoto Protocol Levels Will Require Combination of Vehicle Technology and Smart Growth

Green Car Congress

Percent change in median CO2 by scenario relative to 2000. This scenario assumes that 100% of the study region’s vehicle fleet will be HEVs by 2050—half of which will be grid plug-in HEVs—but that the fleet will otherwise remain unchanged from 2000 in terms of its relative composition of different vehicle size classes. Stone et al.

Emissions 150
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California ARB Seeks Further Reductions of Diesel Emissions at State Rail Yards

Green Car Congress

While current state and federal measures are on target to reduce toxic diesel locomotive emissions 65% or more by 2020, additional measures recommended by ARB staff would ultimately provide up to 85% or greater emissions reductions within the rail yards over the same period, resulting in cleaner air for nearby residential neighborhoods as well.

Diesel 170