Portland, Oregon has more than once been named the greenest city in the world, and biodiesel is a key part of the City's strategy to keep it that way. The City has used a minimum of 20 percent biodiesel in its fleet of several hundred diesel vehicles since 2004.

"We are absolutely committed to biodiesel," said Michele Crim, Sustainable Government Policy and Program Manager for the City of Portland. "People who know the facts on biodiesel know science supports that it is cleaner burning and better for the environment compared to petroleum diesel."

Portland uses biodiesel made from canola, a local crop, and waste grease, and has also used soy biodiesel.

"To maximize economic development, we prioritize using regional crops," Crim said. [Read full article]