PlainBillCongress, translated.Legislation. Context. Public interest.Read twice and referred to the Committee on Environment and Public Works.
Congressional Research Service
Version 00 · Introduced in Senate · May 21, 2009
Renewable Fuel Standard Improvement Act - Amends the Clean Air Act to: (1) include the Secretaries of Agriculture and Energy in renewable fuel program activities under such Act; (2) require the Secretary of Energy to periodically update the baseline lifecycle greenhouse gas emissions; (3) revise the definition of "biomass-based diesel" to include certain renewable fuel produced after December 19, 2007; (4) revise the definition of "lifecycle greenhouse gas emissions" to base the measurement of such emissions on recent observable data and consideration of regional differences of renewable fuel production, rather than on indirect land use changes; (5) expand the definition of "renewable biomass"; and (6) require a periodic review of adjustments in greenhouse gas reduction levels.
People & committees
Sen. Grassley, Chuck [R-IA] · R–IA
Legislative record
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Read twice and referred to the Committee on Environment and Public Works.
Sponsor introductory remarks on measure. (CR S5860-5861)
Introduced in Senate
Primary sources
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Source last updated: Sep 8, 2026. Consult Congress.gov for the current record.
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