Support Our Work Support Sustainability Visit the Green NAU Blog Connect With Us... Sustainable transportation The following initiatives help reduce the impact of transportation on and off-campus. ecoPASS The ecoPASS is a Mountain Line city bus pass provided at no charge to all Northern Arizona University employees. Electric Vehicle Charging There are 6 active level two chargers at three separate locations on campus where you can charge an electric vehicle. All campus parking policies apply. If using an ADA charging stall a valid ADA designation and NAU or garage permit are required. Vehicles must be charging to use the stalls. Public Transit There are a variety of public transit options available to the Flagstaff campus community. Yellow Bike Program The university’s Yellow Bike Program provides free bike rentals to students staff and faculty.