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Updated: July 8th, 2008 05:26 PM GMT-05:00

Are Biodiesel Blends Viable?

Biodiesel not meant to be direct replacement for petroleum-based diesel fuel.

Biodiesel fuel in cold weather
At low blend levels, such as B2 and B5, biodiesel exhibits similar cold weather characteristics as No. 2 diesel and can be treated in the same manner.

Curt Bennink
By Curt Bennink
Senior Field Editor

Once those results come in, biodiesel is positioned to play an even more significant role, particularly as the industry matures and new technology becomes available.

"At this point in time, I think it would be foolish for any of us to say there is an absolute cap or ceiling," says Borgman. "This is a very new industry. There are some very promising things going on out there."

Ensure a Quality Fuel Supply
With the rapid growth of the biodiesel industry, many suppliers have jumped on the bandwagon. This can create quality issues. Not all of the states currently regulate biodiesel production.

But there are a couple of steps you can take to ensure a quality fuel supply. "We strongly recommend you use only a biodiesel blend that comes from a BQ-9000 supply chain - both the biodiesel refinery where it is manufactured, as well as the distributor that brings your fuel out to the work site," says Don Borgman, Deere & Co. It must also meet the ASTM D 6751 specification for biodiesel.

"Although there are currently about two dozen BQ-9000 accredited producers and marketers, they represent 40% of the industry's capacity," says Amber Thurlo Pearson at the National Biodiesel Board. "Asking around or calling the BQ-9000 companies directly (www.BQ-9000.org) to find out where to get their product can help ensure your fuel meets ASTM D 6751. Further, the National Biodiesel Board is working with appropriate state and federal officials on proactively enforcing any biodiesel fuel quality issues." (Visit www.biodiesel.org for a fuel quality guide.)

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