February 29, 2016, 1pm PST
Schools can do more to reduce the environmental threat posed by idling cars during drop-off or pick-up. School districts could also improve their buses with that aim in mind.
November 22, 2010, 1pm PST
Lax enforcement of standards created to limit exhaust from idling diesel-powered vehicles and buses shows that there is still work to be done in Mayor Richard Daley's quest to position Chicago atop the list of the nation's greenest cities.
February 20, 2009, 7am PST
Leaders in Arlington, Texas, near Dallas, are studying how to reduce pollution generated by idling cars at drive-thru windows.