How long until VWoA gives the okay to higher percentage biodiesel now that Cummins is giving the nod to B20?

Cummins Announces Approval of B20 Biodiesel Blends
Wednesday March 21, 8:09 am ET
LOUISVILLE, Ky.--(BUSINESS WIRE)--Cummins Inc. (NYSE:CMI - News) today announced the approval of biodiesel B20 blends for use in its 2002 and later emissions-compliant ISX, ISM, ISL, ISC and ISB engines. This includes the recently released 2007 products.
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