"MIT researchers have created a system of floor blocks that generate power when the blocks rub against one another as people walk over them. A crowd of 30,000 moving to and fro could create enough power to run a small electrical system or perhaps bring a subway train safely to a platform in the event of a blackout."

THE FUTURIST’s Top 10 Forecasts for 2010 and Beyond

Exelon is working with SunPower to put a solar photovoltaic plant on an old brownfield site on Chicago’s South Side. The 10-megawatt plant will have 32,000 solar panels and should be able to power between 1,200 and 1,500 homes.

“The Future of Electric Power” in Businessweek. (via smartercities)