Sponsors (2)
The bill makes it easier to credit certain biofuels and flexible‑fuel vehicles as lower‑carbon—potentially helping regulators and automakers and encouraging lower‑carbon fuel use—while risking overstated real‑world air‑quality benefits, higher costs or market distortions (including food‑price impacts), and rushed rulemaking.
Consumers and drivers: recognizing E85 with average corn-starch ethanol as ~37% lower lifecycle GHGs per mile could support policies that promote lower‑carbon fuels and reduce transportation emissions.
Researchers, EPA, and federal regulators: the bill elevates and validates the Argonne GREET lifecycle model and explicitly lets EPA adopt larger CO reductions if supported by updated GREET modeling, making fuel- and vehicle-standards more directly tied to evolving lifecycle science.
Vehicle manufacturers and consumers: allowing flexible-fuel vehicles (FFVs) to be counted as having a 31% lower CO footprint for fleet-average calculations makes it easier for automakers to meet CO standards and could incentivize more FFV production, expanding consumer choice.
Middle-class families, rural communities, children, and seniors: treating FFVs as 31% lower in CO emissions may overstate real-world benefits, allowing manufacturers to meet standards on paper while local air quality and respiratory health do not improve.
Taxpayers, consumers, and manufacturers: promoting E85 accounting and permitting modeled discounts could lead to subsidies, mandates, or shifting compliance obligations that increase government spending, raise consumer prices, and create regulatory uncertainty for automakers.
Low-income individuals and agricultural markets (farmers): relying on a single lifecycle estimate could be used to justify expanded biofuel mandates that raise corn demand and lift food prices, disproportionately harming low-income households and altering agricultural markets.
Based on analysis of 4 sections of legislative text.
Requires EPA to allow FFV variants to be counted as 31% lower CO g/mi than non-FFV versions for fleet-average CO compliance, with rulemaking in 120 days.
Official title: Require the Administrator of the Environmental Protection Agency to ensure that flexible fuel vehicles may use certain gram per mile carbon dioxide values for purposes of determining fleet average carbon dioxide standards for certain vehicles.
Introduced July 15, 2025 by Amy Klobuchar · Last progress July 15, 2025
Requires the EPA to change a vehicle emissions regulation so automakers can treat flexible-fuel versions of a model as having 31% lower carbon monoxide (CO) grams-per-mile than the non-flexible-fuel version when calculating fleet-average CO standards. The EPA must complete the regulatory revision within 120 days and may allow a larger reduction later if a newer Argonne GREET model justifies it. The bill defines key terms (Administrator, flexible fuel vehicle, manufacturer) by reference to existing law and cites Argonne GREET model findings about greenhouse gas reductions from E85 corn ethanol as congressional findings underlying the change.