Liquid battery could charge green energy
Engineering professor Donald Sadoway on Thursday used an old-school chalk board at the prestigious TED gathering to write the formula for a liquid battery that could one day cut the need for new power plants.
Cheaper Solar Power's Time Has Come
SolarCity to back up solar with Tesla batteries
The solar panel installer SolarCity is beginning to address one of solar power's big drawbacks: The sun doesn't always shine.
Water heaters put solar energy within reach
Andrei Mitran of Cary says he has no desire to live "off the grid." But when choosing a replacement for his 18-year-old hot water heater, the computer programmer says he decided to look into purchasing a solar unit.
Homeowners, small businesses install turbines to cut long-term energy costs
Steve and Sue Kirkham's home sits atop a hill where the wind can be strong enough to mute conversations and rattle lawn chairs. Instead of complaining, they decided to harness its power.
There's money to be saved in solar
A series of solar panels on the roof converts the sun's rays to electricity, the electricity then flows through cables to the circuit breaker, where it's consumed in the building. The result -- a reduction in energy costs.
Energy mythbusting: The truth about those energy-saving tips
You've read the energy-saving tips. You've armed yourself with caulk. You're ready to do some serious damage to your gas and electric bills. Not so fast.
Review: A solar home isn't for everyone
As someone who considers himself an environmentalist, I'd love to get a solar array for my home. But I'm finding that it may not make a lot of sense - at least right now. My wife and I drive fairly fuel-efficient cars. Our ...
Energy-recycling computer technology from UM goes global through AMD
An energy-recycling computer circuit born at the University of Michigan will enable a new generation of power efficient laptop PCs and servers.
Solar systems: Energy from sun can pay for panels in about 10 years
Ben Cuker lives what he teaches as a professor of marine and environmental science at Hampton University in Hampton, Va.
Physicists Demystify Utility of Power Factor Correction Devices
(PhysOrg.com) -- If you've seen an Internet ad for capacitor-type power factor correction devices, you might be led to believe that using one can save you money on your residential electricity bill. However, ...
Philippines turns trash into clean energy windfall
Teresita Mabignay does her ironing using free electricity on the slope of a garbage dump, an unlikely beneficiary of efforts to turn the Philippines' growing rubbish problems into a clean-energy windfall.
Researchers capture wasted heat, use it to power devices
(Phys.org) —Imagine how much you could save on your electricity bill if you could use the excess heat your computer generates to actually power the machine. Researchers at the UCLA Henry Samueli School ...
Calif. solar-power rebates might scorch lease market
Abundant sunshine has made Southern California one of the brightest markets for residential solar power in the country. Some might say too bright.