At the University of Tennessee, switchgrass is all the buzz - a plant that's farmer & environment-friendly, and a cheap alternative to high-priced corn...

Australia news media, SBS, is praising a China north City, Rizhao, for its using solar power to save environment.

In a superb leap of eco-tech, Guy Negre and son, Cyril, have created a car that runs on compressed air. Too good to be true? (BBC News)

Making hydrogen from sugar is not feasible on any sensible scale, since to do so would require using the world's arable land in competition with food production...

On his blog, R-Squared Energy Blog, Robert Rapier shares his top 10 energy stories of 2007.

Crude oil prices have spiked, briefly reaching $100/barrel yesterday, and it may not be over. CNN's Jim Boulden reports. The Middle East is not so sure...

The "Atmospheric Vortex Engine" is a thermal heat engine, in the sense defined by Carnot, which absorbs an amount of heat at one temperature and rejects...

Oklahoma is in the race to develop alternative energy sources to help reduce U.S. dependence on foreign oil.

Al Jazeera's Marqa Ortigas in the Southern Philippines reports on how the palm oil industry has raised fear for local food supplies and sustainable practice