On July 17, 2025, the Department of Energy (DOE) issued Information Letter No. 2025-07-001, announcing the suspension of the mandates for the 4 percent and 5 percent biodiesel blend (B4), which were scheduled for October 1, 2025, and October 1, 2026, respectively. This decision takes into account the concerns of the National Biofuels Board (NBB) regarding the expected significant increase in biodiesel fuel prices and its potential inflationary impact on the Philippine economy.