Anti-idling

New EPA legislation will require that school buses shut down their engines after 5 minutes of idling. Some newer buses automatically turn off after a few minutes of idling.

School bus pollution is dangerous, and efforts to control it are still uneven

Environment

Exhaust from diesel fuel contains thousands of chemicals and more than 40 toxic air contaminants. That’s especially dangerous for children who ride diesel-fueled school buses and wait in line among their fumes. But while efforts to cut down pollution are working, more enforcement is still needed.

Technology Note