Yesterday was the deadline for the bankruptcy case filed by Philadelphia Energy Solutions (PES). A settlement approved by a federal judge includes a controversial provision from the EPA: a concession on the Renewable Identification Numbers (RINs) that the refiner would have to turn into the agency to comply with the Renewable Fuel Standard RFS). PES is a merchant refiner, which means it does not sell final blended fuel that includes biofuels; it only makes the gasoline, heating fuel, diesel, and jet fuel that it then sells to an entity for blending with ethanol or biodiesel. Under the statute, merchant refiners are “obligated parties” that must comply with the RFS. Therefore, because they do not physically handle (and blend) bi...