Hillary is the operations manager at HealthTrans, an organization that uses a fleet of about 30 vehicles to transport sick and elderly people to doctor and hospital appointments. The company uses a sophisticated computer system to combine trips and use its resources as efficiently as possible. Employees are reasonably well-paid with decent benefits, and they all value their contribution to the community. Recently, Hillary used an ESG scorecard to evaluate HealthTrans. She was somewhat surprised to find that the organization scored lower than she expected. Of the following, which step should Hillary take to raise the score?