EPA:
Control of Emissions of Air Pollution From Highway Heavy-Duty Engines
OGC-98-9: Published: Oct 29, 1997. Publicly Released: Oct 29, 1997.
Pursuant to a legislative requirement, GAO reviewed the Environmental Protection Agency's new rule on the control of emissions of air pollution from highway heavy-duty engines. GAO noted that: (1) the rule establishes a new emission standard and related provisions for diesel heavy-duty engines intended for highway operation, beginning with the 2004 model year; and (2) EPA complied with the applicable requirements in promulgating the rule.
Jan 15, 2021
Environmental Liabilities:
NASA's Reported Financial Liabilities Have Grown, and Several Factors Contribute to Future UncertaintiesGAO-21-205: Published: Jan 15, 2021. Publicly Released: Jan 15, 2021.
Jan 13, 2021
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Nuclear Waste:
Congressional Action Needed to Clarify a Disposal Option at West Valley Site in New YorkGAO-21-115: Published: Jan 13, 2021. Publicly Released: Jan 13, 2021.
Jan 7, 2021
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Hanford Cleanup:
DOE's Efforts to Close Tank Farms Would Benefit from Clearer Legal Authorities and CommunicationGAO-21-73: Published: Jan 7, 2021. Publicly Released: Jan 7, 2021.
Dec 18, 2020
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Drinking Water:
EPA Could Use Available Data to Better Identify Neighborhoods at Risk of Lead ExposureGAO-21-78: Published: Dec 18, 2020. Publicly Released: Dec 18, 2020. -
Recycling:
Building on Existing Federal Efforts Could Help Address Cross-Cutting ChallengesGAO-21-87: Published: Dec 18, 2020. Publicly Released: Dec 18, 2020.
Dec 9, 2020
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Environmental Protection:
Action Needed to Ensure EPA's Enforcement and Compliance Activities Support Its Strategic GoalsGAO-21-82: Published: Dec 9, 2020. Publicly Released: Dec 9, 2020. -
Oil and Gas:
Onshore Competitive and Noncompetitive Lease RevenuesGAO-21-138: Published: Nov 19, 2020. Publicly Released: Dec 9, 2020.
Dec 7, 2020
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Air Pollution:
Opportunities to Better Sustain and Modernize the National Air Quality Monitoring SystemGAO-21-38: Published: Nov 12, 2020. Publicly Released: Dec 7, 2020.
Nov 20, 2020
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Crude Oil Markets:
Effects of the Repeal of the Crude Oil Export BanGAO-21-118: Published: Oct 21, 2020. Publicly Released: Nov 20, 2020.
Nov 19, 2020
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EPA Grants to Tribes:
Additional Actions Needed to Effectively Address Tribal Environmental ConcernsGAO-21-150: Published: Oct 20, 2020. Publicly Released: Nov 19, 2020.
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