Years of cheap oil have slowed energy innovation to a crawl. A new Middle East crisis could change that.
From the editor in chief
Before fuel cells take on the internal-combustion engine, they'll offer clean electricity to offices and homes.
Turning sunshine into electricity makes environmental sense. Thanks to new plastics, it might even be affordable.
A proposed rapid transit system would levitate commuters to work in their own cars, gliding above the freeway.
While wind farmers around the world score points in generating juice, the U.S. slowly signs on.
Tired of short-lived batteries? Methanol-powered micro fuel cells are racing toward market, promising up to 20 hours of cell-phone talk time.
Financial algorithms could boost utilities' efficiency.
Efforts to find Peace Corps-like roles for technologists gain momentum.