By Chris Emery
Posted Jul 16, 2009
Biofuels derived from renewable sources can be produced in large quantities and can reduce greenhouse gas emissions, but only if they are made from certain sources, according to a new article by a team of scientists and policy experts that included several Princeton researchers.
“The world needs to replace fossil [...]

By: Patryk Garlinski, Ben Jabbawy, Matt Gleason, and Yeounoh Chung
 
Imagine a world where instead of paying $40 or more to fill up your car with gas just to make it through the week, you could plug your car in overnight, get thousands of miles out of a full charge, and even help free [...]

BY LOUIS BERGERON AND STEPHANIE KENITZER

Wind farms can be built in mountainous regions, such as in Spain (above), or placed offshore like the one at Middelgrunden (other photo), near Copenhagen, Denmark.
LM Glasfiber

Wind farms can be built in mountainous regions, such as in Spain (other photo), or placed offshore like the one at [...]

Power is blowing in the wind

Associate Professor Giri Venkataramanan (center) and a team of workers built a wind turbine in the Scottish Highlands. The community there is not connected to the electrical grid. (Large image)

The rolling hills of the Scottish highlands are dotted with small stone houses. Their residents, mostly farmers and craftsmen, enjoy a [...]

All throughout the country, gas prices are still climbing to numbers that seem to unhinge wallets, yet jaws even wider. Car advertisements now highlight gas mileage efficiency rather than the quality of steering and handling. Thus, the era of the Hybrid has begun, and with it, revolutions in saving power and energy have become the [...]