The US Supreme Court has agreed to hear an appeal from units of HollyFrontier and Wynnewood Refining arising from a lower courts' decision last year that restricted the Environmental Protection Agency's ability to exempt small refineries from biofuel blending obligations. Without access to waivers, many small refineries may be forced to shut down, as some already have, HollyFrontier and Wynnewood Refining argue.
Supreme Court takes up small refinery waivers case
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