Pond Scum Never Looked So Good

Algae contains as much as 40 percent oil that could be processed into biofuels.

January 2008

Hoping for a Wildfire

Wood pellets for fuel are being made in Minnesota—but not many are used in the United States. A Spanish firm plans to help change that.

October 2007

Biodiesel Investing Made Easy

"That's right, the Average Minneapolis Joe . . . can now own a biodiesel plant."

September 2007

Rising Wind

There’s more behind Minnesota’s growing number if wind projects than just renewable energy mandates for utilities. Rural landowners are part of a push for community-based wind energy development.

June 2007

Bob Walker's Plan to Transform the Global Energy Industry

At Bixby Energy Systems, he's starting with corn-burning stoves but expects ultimately to change the way homes, businesses, and power plants run.

March 2007

Beyond Ethanol

The alternative to fossil fuels won't be found in any single renewable source. The answer isn't a silver bullet, but "silver buckshot." So what other alternative energy technologies is Minnesota generating?