The Federal Highway Administration on Thursday proposed a rule to require states and municipalities to set targets for reducing roadway greenhouse gas emissions as part of a $27 billion effort to cut emissions from motor vehicles.
The rule would require state departments of transportation and metropolitan planning organizations to establish declining carbon dioxide emissions targets from transportation sources and establish a method for measuring and reporting the emissions to the FHWA.
It would not mandate specific targets, giving states and municipalities “flexibility to set targets that are appropriate for their communities and that work for their respective climate change and other policy priorities.” States would be required to establish two- and four-year targets and report on the progress biennially.