Pursuant to Section 5 of the Act, all liquid fuells for motors and engines sold in the Philippines shall contain locally-sourced biofuels components as follows: a. Within two (2) years from the effectivity of the Act, at least five percent (5%) bioethanol shall comprise the annual total volume of gasoline fuel actually sold and distributed by each and every oil company in the country, subject to the requirement that all bioethanol blended gasoline shall contain a minimum five percent (5%) bioethanol fuel by volume: Provided, That the bioethanol blend conforms to the PNS. b. Within four (4) years from the effectivity of the Act, the NBB created under Section 8 of the Act is empowered to determine the feasibility and thereafter recommend to the DOE to mandate a minimum of ten percent (10%) blend of bioethanol by volume into all gasoline fuel distributed and sold by each and every oil company in the country: Provided, That the same conforms to the PNS.