Minn. To Raise Biodiesel Requirement To 10 Percent Starting next July, Minnesota will become the first state in the nation to require that most diesel fuel sold in the warm-weather months be a blend containing 10 percent biodiesel, under regulations finalized this week.
Xcel Files Plan To Meet Clean Energy Mandate EarlyOfficials at Colorado's largest energy provider say they're continuing a program encouraging home solar sources to help them meet the state's renewable energy mandate.

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