JAKARTA, INDONESIA / RankWire.AI / – The B50 biodiesel program in Indonesia is anticipated to save approximately 170 trillion rupiah, or US$10.8 billion, in foreign exchange in 2026, according to the Energy and Mineral Resources Ministry. This projection is based on decreased expenditure on imported diesel fuel following the increase of the national blend to 50% biodiesel. The regulation applies to diesel used in transportation, industry, maritime shipping, rail services, and electricity generation. Palm oil supplies the renewable component, while traditional diesel makes up the remaining half. The initiative replaces a portion of Indonesia’s fossil fuel consumption with domestically produced biofuel.
Indonesia initiated nationwide B50 usage on July 1 and officially launched the mandate on July 9 in Karawang, West Java. It replaced the B40, which had mandated a 40% biodiesel share since 2025. B50 consists of equal parts fatty acid methyl ester, known as FAME, and petroleum diesel. The increased requirement channels more palm oil into the domestic fuel sector. Distributors are permitted to utilize remaining B40 stocks through September while completing the national transition. Prior to the rollout, authorities updated fuel standards and distribution plans.
The Energy and Mineral Resources Ministry estimated foreign exchange savings under the B40 program at Rp133.3 trillion, while the B50 projection raises this figure to Rp170 trillion for 2026. Officials also anticipate the mandate will reduce fossil diesel consumption by roughly 4 million kilolitres. Pertamina has been designated to oversee blending operations and facilitate fuel distribution across the country’s network. The company also manages storage and supply logistics for regions involved in the program. The implementation includes technical regulations for the production, transportation, and retail distribution of the biodiesel blend.
B50 Policy Boosts Domestic Biodiesel Demand
Indonesia projects that B50 will demand between 16.7 million and 18 million kilolitres of biodiesel, surpassing the 15.64 million kilolitres allocated under the B40 scheme for 2026. The mandate is also expected to utilize an estimated 15.2 million to 16.3 million tonnes of crude palm oil. These figures cover fuel for road transportation, industrial machinery, maritime vessels, trains, and power plants across various key markets nationwide. The volume estimates are based on projected national demand under the new blend standard.
Projections by the government suggest an added value of Rp23.49 trillion for Indonesia’s palm oil industry. The official forecast also indicates approximately 2.1 million jobs supported across farming, processing, logistics, and fuel supply sectors. Additionally, officials estimate that B50 could cut carbon dioxide emissions by as much as 44.46 million tonnes, compared to 39.66 million tonnes for B40. These figures are part of the ministry’s comprehensive assessment of the higher blend, covering the entire program rather than specific sectors or regions.
Pre-Implementation Testing of B50 Fuel
Prior to the nationwide rollout, the government conducted tests of B50 in various vehicles and machinery, including cars, trucks, mining equipment, agricultural machinery, trains, ships, and power plants. Light vehicle trials covered 50,000 kilometres, while heavier vehicles were tested over 40,000 kilometres. Mining machinery operated for around 1,000 hours without significant engine issues related to fuel quality. The Ministry confirmed that the tested fuel complied with government standards and the technical requirements of manufacturers. These tests were completed before the full-scale distribution began in July.
Indonesia has progressively increased its biodiesel mandates since introducing B2.5 in 2008. The country shifted to B10 in 2013, B20 in 2018, B30 in 2020, B35 in 2023, and B40 in 2025. The B50 mandate represents the most recent escalation in the mandated national blend. Each transition required adjustments to fuel standards, production capacity, and logistics infrastructure, with the 2026 program now integrating an equal share of biodiesel and conventional diesel into the national fuel supply.