In renewable energy, trust fund: the collection of the DENR from the industrial and motor vehicle discharges based on the Section 13 of RA No. 8749, Emission Charge System [Section 2(m), DOE Department Circular No. DC2022-06-0018, Adopting the Guidelines and Procedures in the Fund Sourcing, Accounting, and Audit of Renewable Energy Trust Fund Pursuant to Section 28 of the Renewable Energy Act of 2008, otherwise known as Adopting the Guidelines and Procedures in the Fund Sourcing, Accounting, and Audit of the Renewable Energy Trust Fund or RETF Guidelines]