Policy to Encourage Clean Energy Transportation and Reduce Diesel and Gasoline Engine Emissions. It is the policy of the CNMI to encourage the use of clean-running commercial sector buses, including mini-buses. It is the policy of the CNMI to substitute for gasoline and diesel fuel the following fuels: electricity which has been generated by clean-burning fossil power plants and renewable resources; and bio-diesel fuel, including fuel made from used cooking oils and grown to produce ethanol. Source: PL 15-23, § 2(8671); amended by PL 15-87 § 2(8671).