Not all biofuels are equal

Switchgrass
The U.S. Department of Energy is looking to fast-growing switchgrass as a new biofuel resource.
MPR Photo/Mark Steil

Create a More Connected Minnesota

MPR News is your trusted resource for the news you need. With your support, MPR News brings accessible, courageous journalism and authentic conversation to everyone - free of paywalls and barriers. Your gift makes a difference.