This report by APTA, “answers how much net C02 public transportation is saving in the U.S., how much additional C02 savings are possible if loads are increased, what is the significance of non-public transportation commuter use and what can households do to save more, and finally are there favorable land use impacts that public transportation contributes to the environment and social benefits?”
Click here to download “Public Transportation’s Contribution to U.S. Greenhouse Gas Reduction” (PDF)