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EPA proposes record US biofuel mandates: Update

EPA proposes record US biofuel mandates: Update

Updates with new pricing, reactions throughout. New York, 13 June (Argus) — President Donald Trump's administration today proposed requiring record biofuel blending into the US fuel supply over the next two years, including unexpectedly strong quotas for biomass-based diesel. The US Environmental Protection Agency (EPA) proposal, which still must be finalized, projects oil refiners will need to blend 5.61bn USG of biomass-based diesel to comply with requirements in 2026 and 5.86bn USG in 2027. Those estimates — while uncertain — would be a 67pc increase in 2026 and a 75pc increase in 2027 from this year's 3.35bn USG requirement, above what most industry groups had sought. The proposal alone is likely to boost biofuel production, which has been down to start the year as biorefineries have struggled to grapple with uncertainty about future blend mandates, the halting rollout of a new clean fuel tax credit, and higher import tariffs. The National Oilseed Processors Association said hiking the biomass-based diesel mandate to the proposed levels would bring "idled capacity back online" and spur "additional investments" in the biofuel supply chain. The EPA proposal also would halve Renewable Identification Number (RIN) credits generated from foreign biofuels and biofuels produced from foreign feedstocks, a major change that could increase US crop demand and hurt renewable diesel plants that source many of their inputs from abroad. US farm groups have lamented refiners' rising use of Chinese used cooking oil and Brazilian tallow to make renewable diesel, and EPA's proposal if finalized would sharply reduce the incentive to do so. Biofuel imports from producers with major refineries abroad, notably including Neste, would also be far less attractive. The proposal asks for comment, however, on a less restrictive policy that would only treat fuels and feedstocks from "a subset of countries" differently. And EPA still expects a substantial role for imported product regardless, estimating in a regulatory impact analysis that domestic fuels from domestic feedstocks will make up about 62pc of biomass-based diesel supply next year. The Renewable Fuel Standard program requires US oil refiners and importers to blend biofuels into the conventional fuel supply or buy credits from those who do. One USG of corn ethanol generates one RIN, but more energy-dense fuels like renewable diesel can earn more. In total, the rule would require 24.02bn RINs to be retired next year and 24.46bn RINs in 2027. That includes a specific 7.12bn RIN mandate for biomass-based diesel in 2026 and 7.5bn in 2027, and an implied mandate for corn ethanol flat from prior years at 15bn RINs. EPA currently sets biomass-based diesel mandates in physical gallons but is proposing a change to align with how targets for other program categories work. US soybean oil futures surged following the release of the EPA proposal, closing at their highest price in more than four weeks, and RIN credits rallied similarly on bullish expectations for higher biofuel demand and domestic feedstock prices. D4 biomass-diesel credits traded as high as 117.75¢/RIN, up from a 102.5¢/RIN settle on Thursday, while D6 conventional credits traded as high as 110¢/RIN. Bids for both retreated later in the session while prices still closed the day higher. Proposed targets are less aspirational for the cellulosic biofuel category, where biogas generates most credits. EPA proposes lowering the 2025 mandate to 1.19bn RINs, down from from 1.38bn RINs previously required, with 2026 and 2027 targets proposed at 1.30bn RINs and 1.36bn RINs, respectively. In a separate final rule today, EPA cut the 2024 cellulosic mandate to 1.01bn RINs from 1.09bn previously required, a smaller cut than initially proposed, and made available special "waiver" credits refiners can purchase at a fixed price to comply. Small refinery exemptions The proposal includes little clarity on EPA's future policy around program exemptions, which small refiners can request if they claim blend mandates will cause them disproportionate economic hardship. EPA predicted Friday that exemptions for the 2026 and 2027 compliance years could total anywhere from zero to 18bn USG of gasoline and diesel and provided no clues as to how it will weigh whether individual refiners, if any, deserve program waivers. The rule does suggest EPA plans to continue a policy from past administrations of estimating future exempted volumes when calculating the percentage of biofuels individual refiners must blend in the future, which would effectively require those with obligations to shoulder more of the burden to meet high-level 2026 and 2027 targets. Notably though, the proposal says little about how EPA is weighing a backlog of more than a hundred requests for exemptions stretching from 2016 to 2025. An industry official briefed on Thursday ahead of the rule's release said Trump administration officials were "coy" about their plans for the backlog. Many of these refiners had already submitted RINs to comply with old mandates and could push for some type of compensation if granted retroactive waivers, making this part of the program especially hard to implement. And EPA would invite even more legal scrutiny if it agreed to biofuel groups' lobbying to "reallocate" newly exempted volumes from many years prior into future standards. EPA said it plans to "communicate our policy regarding [exemption] petitions going forward before finalization of this rule". Industry groups expect the agency will try to conclude the rule-making before November. The proposed mandates for 2026-2027 will have to go through the typical public comment process and could be changed as regulators weigh new data on biofuel production and food and fuel prices. Once the program updates are finalized, lawsuits are inevitable. A federal court is still weighing the legality of past mandates, and the Supreme Court is set to rule this month on the proper court venue for litigating small refinery exemption disputes. Environmentalists are likely to probe the agency's ultimate assessment of costs and benefits, including the climate costs of encouraging crop-based fuels. Oil companies could also have a range of complaints, from the record-high mandates to the creative limits on foreign feedstocks. American Fuel and Petrochemical Manufacturers senior vice president Geoff Moody noted that EPA was months behind a statutory deadline for setting 2026 mandates and said it would "strongly oppose any reallocation of small refinery exemptions" if finalized. By Cole Martin and Matthew Cope Proposed 2026-2027 renewable volume obligations bn RINs Fuel type 2026 2027 Cellulosic biofuel 1.30 1.36 Biomass-based diesel 7.12 7.50 Advanced biofuel 9.02 9.46 Total renewable fuel 24.02 24.46 Implied ethanol mandate 15 15 — EPA Send comments and request more information at feedback@argusmedia.com Copyright © 2025. Argus Media group . All rights reserved.