Late last month the U.S. Court of Appeals for the 10th Circuit ruled against refiner HollyFrontier (HFC) in a lawsuit brought by a coalition of biofuels producers. The subject of the lawsuit was the small refinery exemptions [SRE], or so-called "hardship waivers", that HollyFrontier has received from the U.S. Environmental Protection Agency [EPA] over the last decade that reduced its biofuels blending obligation under the federal biofuels blending mandate. The biofuels coalition argued that HollyFrontier should not have received as many waivers as it did on the grounds that it did not qualify