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EPA proposes new GHG rules for light-duty vehicles; updating emission standards for heavy-duty trucks

Green Car Congress

The US Environmental Protection Agency (EPA) released a proposed rulemaking for model year 2023-2026 light-duty vehicle greenhouse gas emissions standards, and outlined its plans to initiate a subsequent rulemaking to set standards for MY 2027 and beyond, to speed the transition of the light-duty vehicle fleet toward a zero emissions future.

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EPA re-opens Mid-Term Evaluation Process for light-duty vehicle greenhouse gas standards 2022-2025

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EPA Administrator Scott Pruitt and Department of Transportation Secretary Elaine Chao announced that EPA intends to reconsider its final determination issued on 12 January 2017 which recommended no change to the greenhouse gas standards for light duty vehicles for model years 2022- 2025. Earlier post.) Background.

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EPA’s annual automotive trends report shows slight increase in fuel economy from MY2017 to MY2018

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miles per gallon MY 2017, according to the annual Automotive Trends Report released by the US Environmental Protection Agency (EPA). In model year 2018, the average estimated real-world CO2 emission rate for all new vehicles fell by 4 grams per mile (g/mi) to 353 g/mi, the lowest level measured since 1975, when EPA data collection began.

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US House Members Introduce Bipartisan Disapproval Resolution to Block EPA Regulation of GHG; Mirrors Murkowski Resolution

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Executive branch agencies, like EPA, carry out the laws passed by Congress. When Congress passed the Clean Air Act, it never gave EPA the explicit authority to regulate greenhouse gas emissions for the purpose of stopping global climate change. But, that is exactly what EPA has proposed to do.

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EPAs GHG Standards for Light-Duty Vehicles; Special Credits To Encourage PHEVs, BEVs and FCVs

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Source: EPA. mpg if all improvements came from fuel economy) and 34.1 mpg US (6.9 As part of its program, EPA is establishing a system of averaging, banking, and trading (ABT) of credits, based on a manufacturer’s fleet average CO 2 performance. Both EPA and NHTSA programs are footprint-based—i.e., mpg US (EPA).

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EPA Grants California Vehicle GHG Regulations Waiver

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The US Environmental Agency (EPA) has granted California’s waiver request enabling the state to enforce its greenhouse gas emissions standards (Pavley I) for new motor vehicles, beginning with the current model year. California requested from EPA the waiver required for implementation of the Pavley regulations in December 2005.

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EPA and NHTSA Issue Notice of Intent to Develop New Greenhouse Gas and Fuel Economy Standards for Light-Duty Vehicle Model Years 2017-2025; Proposal Expected by 30 Sep 2011

Green Car Congress

The US Department of Transportation’s (DOT) National Highway Traffic Safety Administration (NHTSA) and the US Environmental Protection Agency (EPA) issued a Notice of Intent (NOI) to begin developing new standards for greenhouse gases and fuel economy for light-duty vehicles for the 2017-2025 model years. Earlier post.).