TUCSON, Ariz. (KVOA) - Ten electric school buses are set to be delivered to Tucson Unified School District this year, thanks to grants from the Environmental Protection Agency (EPA). Advocates, ...

TUCSON, Ariz. (KGUN) — Sun Tran is celebrating its 50th anniversary. Back in 1975, Tucson's bus service had rebranded itself as Sun Tran. From mules, to trolleys, to buses, Tucson's transit history ...

Arizona’s schoolchildren are still riding buses that fill their lungs with diesel exhaust, even though billions in federal funding for clean, electric school buses is ready to go. We are calling on ...