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NHTSA to propose new fuel economy standards soon; 8% increase per year for MY 2024-2026

Green Car Congress

The US Department of Transportation’s National Highway Traffic Safety Administration (NHTSA) announced that it will soon propose robust new fuel economy standards. NHTSA’s proposal comes as the automobile industry is retooling future models in response to market demand for cleaner, more fuel-efficient vehicles.

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EPA, NHTSA issue One National Program Rule; EPA withdraws CA waiver for GHG and fuel economy

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This action is based on the premise that federal law preempts state and local tailpipe greenhouse gas (GHG) emissions standards as well as zero emission vehicle (ZEV) mandates. California’s ability to enforce its Low Emission Vehicle program and other clean air standards to address harmful smog-forming vehicle emissions—i.e.,

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MECA: industry could exceed relaxed US efficiency standards as it has to meet tighter standards elsewhere

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On 31 March, the US Environmental Protection Agency (EPA) and the National Highway Traffic Safety Administration (NHTSA) released the final rule for The Safer Affordable Fuel-Efficient (SAFE) Vehicles for Model Years 2021-2026. The final rule requires a 1.5% mpg and 199 g/mile CO 2 in 2026. Earlier post.).

Standards 170
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GKN, SDS begin production of all-wheel drive disconnect system in China; up to 4% improvement in fuel economy

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The system will initially feature on the Jeep Renegade built for the Chinese market by GAC Fiat Chrysler Automobiles Co., GKN’s Disconnect function enables vehicles to combine the enhanced traction, dynamics and stability of all-wheel drive with improved on-highway fuel efficiency.

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EPA annual trends report finds new vehicle fuel economy at record 24.1 mpg; new powertrain technologies rapidly gaining share

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EPA released the latest edition of its annual report on trends in CO 2 emissions, fuel economy and powertrain technology for new personal vehicles in the US. Fuel economy has now increased in eight of the last nine years; average carbon dioxide emissions are also at a record low of 369 g/mile in model year 2013.

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Study Assesses Product Attribute Trade-offs and Technological Progress; Meeting Proposed Obama Fuel Economy Standards Will Require Downsizing and Change in Fleet Mix

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Changes in the attributes (clockwise from upper left, weight, power, fuel economy and torque) of the Honda Accord over time as an example of fleet trends in the US. In contrast, fuel economy actually increased by 15% during that period. Knittel, 2009. Click to enlarge. Knittel, 2009. Knittel, Christopher R.

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California ARB Backs White House Program for Medium- and Heavy-Duty and Next Phase of Light-Duty Vehicle GHG and Fuel Economy Standards; Looking for LDV Improvements on the Order of 3-6% Annually

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Nichols also said that California will work with Federal agencies on the next phase of light-duty vehicle GHG and fuel economy standards for model years 2017-2025. California has incorporated these national standards into its motor vehicle emissions program. Earlier post.). Earlier post.).