{"id":93386,"date":"2026-07-09T14:17:13","date_gmt":"2026-07-09T18:17:13","guid":{"rendered":"https:\/\/tvdelmarva.com\/wp\/epa-moves-to-roll-back-biden-era-heavy-truck-emissions-standards\/"},"modified":"2026-07-09T14:17:13","modified_gmt":"2026-07-09T18:17:13","slug":"epa-moves-to-roll-back-biden-era-heavy-truck-emissions-standards","status":"publish","type":"post","link":"https:\/\/tvdelmarva.com\/wp\/epa-moves-to-roll-back-biden-era-heavy-truck-emissions-standards\/","title":{"rendered":"EPA Moves to Roll Back Biden-Era Heavy Truck Emissions Standards"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"450\" height=\"300\" src=\"https:\/\/i0.wp.com\/tvdelmarva.com\/wp\/wp-content\/uploads\/2026\/07\/news-1783621032805.jpg?resize=450%2C300&#038;ssl=1\" alt=\"\" class=\"wp-image-93385\" srcset=\"https:\/\/i0.wp.com\/tvdelmarva.com\/wp\/wp-content\/uploads\/2026\/07\/news-1783621032805.jpg?w=450&amp;ssl=1 450w, https:\/\/i0.wp.com\/tvdelmarva.com\/wp\/wp-content\/uploads\/2026\/07\/news-1783621032805.jpg?resize=300%2C200&amp;ssl=1 300w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/figure>\n\n\n<p>WASHINGTON \u2014 The U.S. Environmental Protection Agency announced Thursday that it is seeking to relax emissions standards for heavy trucks and engines that were established under former Democratic President Joe Biden back in 2023.<\/p><p>As part of the proposal, the EPA is looking to reduce emissions warranty requirements and push back the timeline for when more stringent regulatory useful life standards would kick in.<\/p><p>The agency acknowledged that some manufacturers working on 2027 model-year medium and heavy-duty engine development have run into technical hurdles. In response, the EPA is proposing to let those manufacturers continue selling their existing products while they finish developing engines that meet the 2027 compliance standards.<\/p>","protected":false},"excerpt":{"rendered":"<p>The U.S. Environmental Protection Agency has put forward a proposal to loosen emissions regulations for heavy-duty trucks and engines that were put in place during the Biden administration in 2023. The agency cited technical difficulties facing engine manufacturers as part of the reasoning behind the move. The proposal would scale back warranty requirements and give companies more time to meet stricter standards.<\/p>\n","protected":false},"author":4,"featured_media":93385,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[831],"tags":[],"class_list":["post-93386","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-us-news"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/tvdelmarva.com\/wp\/wp-content\/uploads\/2026\/07\/news-1783621032805.jpg?fit=450%2C300&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/pbtNqq-oie","jetpack-related-posts":[{"id":52629,"url":"https:\/\/tvdelmarva.com\/wp\/federal-agency-drops-requirement-for-problematic-diesel-exhaust-sensors\/","url_meta":{"origin":93386,"position":0},"title":"Federal Agency Drops Requirement for Problematic Diesel Exhaust Sensors","author":"Admin","date":"April 15, 2026","format":false,"excerpt":"The Environmental Protection Agency has eliminated the federal mandate for diesel exhaust fluid quality sensors that have caused widespread equipment failures. The change is expected to save billions in repair costs for farmers and truckers nationwide.","rel":"","context":"In &quot;Agriculture&quot;","block_context":{"text":"Agriculture","link":"https:\/\/tvdelmarva.com\/wp\/category\/agriculture\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":85212,"url":"https:\/\/tvdelmarva.com\/wp\/california-takes-epa-to-court-over-emissions-waiver-sent-to-congress\/","url_meta":{"origin":93386,"position":1},"title":"California Takes EPA to Court Over Emissions Waiver Sent to Congress","author":"Admin","date":"June 22, 2026","format":false,"excerpt":"California has filed a federal lawsuit against the U.S. Environmental Protection Agency after the agency forwarded key state vehicle emissions waivers to Congress for possible repeal. The state argues the move is illegal, claiming the EPA cannot transform a waiver into a rule subject to congressional review. The lawsuit seeks\u2026","rel":"","context":"In &quot;Politics&quot;","block_context":{"text":"Politics","link":"https:\/\/tvdelmarva.com\/wp\/category\/politics\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/tvdelmarva.com\/wp\/wp-content\/uploads\/2026\/06\/news-1782152209248.jpg?fit=450%2C300&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":44697,"url":"https:\/\/tvdelmarva.com\/wp\/health-groups-file-lawsuit-against-epa-over-mercury-standards-rollback\/","url_meta":{"origin":93386,"position":2},"title":"Health Groups File Lawsuit Against EPA Over Mercury Standards Rollback","author":"Admin","date":"March 30, 2026","format":false,"excerpt":"Multiple health and environmental organizations have filed a federal lawsuit challenging the EPA's decision to eliminate mercury pollution standards for coal power plants. The groups argue the rollback endangers children and vulnerable populations by allowing increased toxic emissions.","rel":"","context":"In &quot;Politics&quot;","block_context":{"text":"Politics","link":"https:\/\/tvdelmarva.com\/wp\/category\/politics\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/tvdelmarva.com\/wp\/wp-content\/uploads\/2026\/03\/news-1774902137885.jpg?fit=450%2C253&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":22385,"url":"https:\/\/tvdelmarva.com\/wp\/health-environmental-groups-challenge-epas-climate-rule-reversal-in-court\/","url_meta":{"origin":93386,"position":3},"title":"Health, Environmental Groups Challenge EPA&#8217;s Climate Rule Reversal in Court","author":"Admin","date":"February 18, 2026","format":false,"excerpt":"A coalition of health and environmental organizations filed a federal lawsuit Wednesday against the EPA after the agency reversed a 2009 scientific determination that greenhouse gases endanger public health. The legal challenge targets the agency's elimination of vehicle emission standards and other climate protections.","rel":"","context":"In &quot;Politics&quot;","block_context":{"text":"Politics","link":"https:\/\/tvdelmarva.com\/wp\/category\/politics\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/tvdelmarva.com\/wp\/wp-content\/uploads\/2026\/02\/news-1771425261229.jpg?fit=1000%2C666&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/tvdelmarva.com\/wp\/wp-content\/uploads\/2026\/02\/news-1771425261229.jpg?fit=1000%2C666&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/tvdelmarva.com\/wp\/wp-content\/uploads\/2026\/02\/news-1771425261229.jpg?fit=1000%2C666&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/tvdelmarva.com\/wp\/wp-content\/uploads\/2026\/02\/news-1771425261229.jpg?fit=1000%2C666&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":40679,"url":"https:\/\/tvdelmarva.com\/wp\/environmental-groups-trump-epa-weakening-clean-air-rules-for-national-parks\/","url_meta":{"origin":93386,"position":4},"title":"Environmental Groups: Trump EPA Weakening Clean Air Rules for National Parks","author":"Admin","date":"March 22, 2026","format":false,"excerpt":"Environmental advocates claim the Trump administration's EPA is reversing pollution control measures that have improved air quality at national parks over the past 25 years. The agency has approved weaker state plans and rejected stricter proposals, potentially allowing haze to return to protected wilderness areas.","rel":"","context":"In &quot;Science&quot;","block_context":{"text":"Science","link":"https:\/\/tvdelmarva.com\/wp\/category\/science\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/tvdelmarva.com\/wp\/wp-content\/uploads\/2026\/03\/news-1774154337501.jpg?fit=1000%2C666&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/tvdelmarva.com\/wp\/wp-content\/uploads\/2026\/03\/news-1774154337501.jpg?fit=1000%2C666&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/tvdelmarva.com\/wp\/wp-content\/uploads\/2026\/03\/news-1774154337501.jpg?fit=1000%2C666&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/tvdelmarva.com\/wp\/wp-content\/uploads\/2026\/03\/news-1774154337501.jpg?fit=1000%2C666&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":27348,"url":"https:\/\/tvdelmarva.com\/wp\/epa-advances-renewable-fuel-standards-for-2026-2027\/","url_meta":{"origin":93386,"position":5},"title":"EPA Advances Renewable Fuel Standards for 2026-2027","author":"Admin","date":"February 25, 2026","format":false,"excerpt":"The Environmental Protection Agency has forwarded its renewable fuel volume requirements for 2026 and 2027 to federal budget officials for review. 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