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Related Material
Note: EPA no longer updates this information, but it may be useful as a reference or resource.
- Control of Emissions of Air Pollution from Nonroad Diesel Engines; Proposed Rule
- Control of Emissions of Air Pollution From Highway Heavy-Duty Engines; Final Rule
- Motor Vehicle Emissions Federal Test Procedure Revisions; Final Regulations
- Control of Air Pollution From Heavy-Duty Engines; Proposed Rule
- Control of Emissions of Air Pollution from Nonroad Diesel Engines; Proposed Rule
- Executive Order 13045--Protection of Children From Environmental Health Risks and Safety Risks