In biofuels: the area for biofuel production which includes, but not limited to the processing plant, waste management facilities and other facilities directly related to biofuel production [Section 4(l), DA, DAR, DOE, DENR, DOF, DOLE, DOST, DTI, DOTC, NBB, NCIP, PCA, SRA JAO No. 2008-1, s. 2008, Guidelines Governing the Biofuel Feedstocks Production, and Biofuels and Biofuel Blends Production, Distribution and Sale under Republic Act No. 9367]