Though thought to be saviors in the fossil fuel crisis, biofuels, too, can cause environmental suffering.
Solar thermal energy, or “solar hot water,” may not get much hype, but don’t count it out of the renewable energy equation.
Vehicles could get a boost in gas mileage from GenShock, a shock absorber developed by students at the Massachusetts Institute of Technology.
Google launches software designed to help homeowners reduce electricity consumption.
Adding the right kind of bacteria, scientists find, can boost plant growth on poor quality soil.
Eco-conscious gyms allow members to spin calories into electricity.
A New York City company is converting the East River’s tidal currents into electricity.
The Department of Energy takes its first step toward clean, renewable energy from the earth.
A new, smaller design approaches wind energy from a different direction.