Airplanes would get cleaner air for passengers and crew through new safety rules.
This bill would make the air inside airplanes cleaner for passengers and crew. It would require the Federal Aviation Administration (FAA) to create new rules about "bleed air systems," which use engine air for cabin ventilation. New airplane designs would stop using these systems. For existing designs, newly manufactured aircraft would need special filters, and the use of bleed air systems in their manufacture would be gradually phased out over time.
Today, current rules do not stop new airplane designs from using bleed air systems, nor do they require filters for oil fumes or a phase-out plan. After this bill, new turbine and turbo-prop aircraft designs would be banned from using bleed air systems. Newly manufactured aircraft with these systems would need special filters starting in 7 years, and existing designs would gradually phase out bleed air systems over 30 years.
HR 4994 · 119th Congress · August 19, 2025 · AI Summary by gemini-2.5-flash · 8/10
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5 filings mentioned this bill
Amounts reflect total quarterly lobbying spend reported to the Senate, not bill-specific spending. Source: Senate LDA filings.