On Monday, the Supreme Court delivered a blow to the biofuels industry in its long-running fight to allow the year-round sale of gasoline containing 15 percent ethanol. POLITICO’s Kelsey Tamborrino explains the justices’ decision and how it will impact refiners and the ethanol industry moving forward. Nirmal Mulaikal is a POLITICO audio host-producer. Kelsey Tamborrino is a reporter covering clean energy. Carlos Prieto is an audio producer for POLITICO. Raghu Manavalan is a senior editor for POLITICO audio. Jenny Ament is the interim executive producer of POLITICO’s audio department.