B.C. Air Quality

Pollution From New Buses Versus Existing Buses

New city buses are much cleaner than most existing buses. This figure compares emissions from a new state-of-the-art diesel transit bus equipped with a diesel particulate filter to emissions from typical diesel transit bus presently in use in bus fleets. The state-of-the-art bus would be roughly equivalent to new buses currently being purchased in British Columbia. New buses emit far less air pollutants and slightly less greenhouse gases than the average existing bus.

Graph: comparison of new diesel buses with average in-service buses

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Emissions info from Transport Canada and TransLink.