Photovoltaic panels may not be a new idea in Green Energy Technology. They've been around for decades, but a range of new design improvements promises far greater efficiency and much lower costs.
PHOTO: AP/TED S. WARREN
Dye-based solar cells produce energy by mimicking photosynthesis.
Smart meters give consumers real-time data about their electricity consumption.
The Nissan Leaf is one of several all-electric vehicles being developed.
Making the electric grid “smarter” would help save energy, prevent power outages and bring more renewable energy online.
ISTOCKPHOTO/ANN TAYLOR HUGHES
“It’s hot in here, could you dim the windows, please?” New window designs feature more user control.
A new generation of windows can greatly reduce heat loss.
A prototype plug-in Toyota Prius recharges.
No, this is not an air conditioner, it’s an air-source heat pump — a very efficient way to heat and cool your home.