News Releases Search All News ReleasesView all news releases or search by topic, program, or year. (-)Truck & BusCalifornia Climate InvestmentsLow Carbon Transportation Incentives and Air Quality Improvement ProgramMobile Source Emissions Research ProgramSchool Buses(-)Truck and Bus Surveillance Program(-)2018 1 results found for Jul 31, 2018CARB investigation leads to nationwide recall of 500,000+ Cummins heavy-duty trucks Email UpdatesKeep up to date with the latest press releases and media advisories.SubscribeContacto Office of Communications comms@arb.ca.gov