Illegal idling of diesel and gasoline school bus engines poses a significant threat to the health and well-being of students, school bus employees and communities that house these school bus depots throughout New York 
City. Under New York City Law, it is illegal to allow a vehicle’s engine to run for more than one minute outside of a school while parked or standing.1 Despite increased public complaints about idling under New York City’s citizen complaint system and recent enforcement actions against school bus companies by the New York State Attorney General, direct observations by New York Lawyers for the Public Interest (NYLPI) found that 20% to 25% of school buses parked outside of schools across the city were idling their engines for more than one minute, in violation of local law.