A breakthrough process for converting biomass into biodiesel fuel promises a cheaper way to go green.
Your thoughts on race and medicine, Arctic drilling, and more
Fuel cells will eventually replace batteries for portable devices. But what will power this new fuel source? Millennium Cell thinks it has the answer.
The U.S. Army is turning to new solar-powered materials and sensors to solve the problem of too-little energy for its high-tech soldiers.
Open Source Developers race to get applications and migrations tools in top form before the launch of Microsoft's next operating system.
Michael Crichton's new novel fingers the wrong villains in global warming.
Alternative electricity sources are ready; Washington is not.
The next Fed chief should study what Greenspan got right.
Readers take stock of our March "Tech and Finance 2005" package.
Turbine technology looms large.