With low maintenance needs, it can be easy to forget about parking structures when assessing energy usage at your facility but parking can be green too! LED light fixtures are always a good option that can improve illumination while also cutting your energy bills. Another area to consider is exhaust fans that work to eliminate noxious fumes from vehicle engines. While their function is crucial to occupant safety, more efficient options could be available. Look into demand control ventilation (DCV) systems that use variable frequency drives to eliminate carbon monoxide while reducing fan speeds and saving electricity.