The civic record
Read. Follow. Verify.1965 Senate Hearings on Vehicle Emission Standards (S. 306)
Record date · July 20, 2026
Track this bill to get notified when it advances a stage. One tap to stop, anytime.
What This Bill Does
This document records the April 7, 1965, Senate subcommittee hearings regarding S. 306, a proposed amendment to the . The bill aimed to establish federal emission standards for gasoline and diesel vehicles and create a national air pollution control laboratory.
The hearing represents a foundational step in the creation of federal automotive emission standards, which eventually mandated the technology used in all modern vehicles to reduce tailpipe pollution.
Who It Affects
Groups the bill's text affects, as described in the record. Being affected is not a position for or against it.
Automobile manufacturers
The bill proposes new federal standards for vehicle emissions that would require changes to engine and exhaust manufacturing.
General public
The legislation aims to regulate air quality, which impacts public health and the types of vehicles available for purchase.
Key Facts
- S. 306 proposes amending the Clean Air Act to mandate federal emission standards for gasoline-powered vehicles.
- S. 306 proposes amending the Clean Air Act to mandate federal emission standards for diesel-powered vehicles.
- The bill includes a provision to establish a federal air pollution control laboratory.
- The hearing was held by the Special Subcommittee on Air and Water Pollution during the 89th Congress, first session.
Show all 5 facts
- The primary focus of the legislation is the regulation of pollutants emitted from motor vehicles.
Frequently Asked Questions
What was the purpose of S. 306?
When did these hearings take place?
What else do you want to know?
News Coverage
Follow the record
Votes, people, money & the original sourceFull breakdown
Who this bill affects and the strongest case for and against it, written only from the bill’s own text.
Discoveries
Patterns POLISCOPE noticed across the record. These are observations to investigate, not conclusions.
Federalization of Emission Standards
The hearing documents the transition from state-level or non-existent emission standards to a centralized federal regulatory framework.
Connected Entities
Sources
www.govinfo.gov
Analysis Score
0–100- Significance85How much this matters to a regular citizen
- Controversy40Intensity of disagreement among stakeholders
- Entertainment10Compellingness for a non-policy-wonk reader
- Buzz5Current news / social attention level
Publisher tools
