When it comes to biofuels policy and the White House, it is the same song but in a different key. The Biden White House is caught between two political base constituencies, environmentalists and labor. The groups are different than they were for the Trump Administration - agriculture and petroleum (which, granted included labor) – but the squeeze is the same. It proved impossible to balance the RFS and waivers from the RFS for the Trump Administration, and it doesn’t appear to be any easier for the Biden Administration. Delta Airlines is lobbying the Administration for a waiver of the RFS, or rather its employees’ unions are. In addition to the airlines, Delta owns merchant refiner Monroe Energy. Reportedly the company is...