So in anticipation of this weekend's "Springing Ahead" (3 weeks earlier than usual) and the potential the switch has to save billions of dollars in energy costs... I came across this little tidbit in last month's Utne:
The gist of it is that every footstep creates 6 to 8 watts of energy, "energy that simply scatters into the ether." A British company is working on creating vibration-harnessing sensors that charge batteries and could be placed in train stations, bridges, any building that vibrates energy. Other companies are working on ideas such as cell phone-charging shoes. Harvesting this free, available, and green energy could quite possibly an energy revolution.