11. The measures that keep buildings comfortable, lighting, heating, cooling and ventilation, all consume energy . 12. Companies that produce and consume energy would be issued permits to emit the gases. 13. The players are supposedly wary of her consuming energy . 14. However, electric rolling stock may run cooling blowers when stopped or coasting, thus consuming energy . 15. Eventually the star dies, when the reactions only consume energy but do not produce it. 16. On the other hand, everything we use consumes energy . 17. This demonstrates Le Ch�telier s Principle because the equilibrium shifts in the direction that consumes energy . 18. In biology, "'motility "'is the ability to move spontaneously and actively, consuming energy in the process. 19. Non-ohmic contacts present a parasitic resistance to current flow that consumes energy and lowers device performance. 20. When not connected to a network, Wi-Fi consumes energy because the device constantly searches for a signal.