Researchers from the California Institute of Technology have created a prototype for a solar-powered sanitation system that can be used in remote parts of the planet that are not currently served by municipal sewage systems. Caltech's prototype,... Read More
from the National Renewable Energy Lab
By Madeline Twomey & Juliette Dallas-Feeney. Arlington, VA school-teacher Gail Carten explains her participation in GM's Project Driveway- a test market of the hydrogen fuel-cell car, which produces zero emissions. Fall 2009.