Cleaner Buses for Cleaner Cities Act

Cleaner Buses for Cleaner Cities Act - Amends the Clean Air Act to prohibit the provision of grants or other financial assistance under Federal highway or mass transportation provisions or under the Urban Mass Transportation Act to any State or local government or other entity if such government or entity has acquired, in the prior fiscal year, a diesel-fueled bus to be used in any ozone, particulate, or carbon monoxide nonattainment area. Makes such prohibition inapplicable to grants for safety.