Refiners Valero Energy Corp VLO.N, PBF Energy Inc PBF.N and Marathon Petroleum Corp MPC.N all lost billions in 2020. A renewable diesel boom could also have a profound impact on the agricultural sector by swelling demand for oilseeds like soybeans and canola that compete with other crops for finite planting area, and by driving up food prices. U.S. renewable diesel production could generate an extra 500 million pounds of demand for soyoil this year, Juan Luciano, chief executive of agricultural commodities trader Archer Daniels Midland Co ADM.N, said in January.