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Cleaning up the diesel vehicles already on the road

Older diesel vehicles are prime culprits when it comes to both urban air pollution and climate change. Although they usually make up only a small percentage of all the vehicles in a region, they...Old diesel vehicles are prime culprits when it comes to both urban air pollution and climate change. Although they usually make up only a small percentage of all the vehicles in a region, they can...
Published 2013.08.02: Blog Post

Best practices in emission control of in-use heavy-duty diesel vehicles

This report summarizes policy approaches to controlling in-use emissions from heavy-duty vehicles (HDVs), including freight trucks, buses, municipal government and other service fleets. HDVs, while...
Published 2013.08.02: Publication