When Californians send their kids to school, we want them to be safe and cared for, but the bright yellow buses we rely on every day are surprise offenders when it comes to the air students breathe. Even though students only spend a few hours each week on school buses, kids’ lungs are particularly susceptible to the asthma-causing particle pollutants that get trapped inside these vehicles, making those rides more harmful than they might appear. Fortunately, a safe alternative is available with electric school buses.