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Ford, U Mich study finds greater greenhouse gas reductions for pickup truck electrification than for other light-duty vehicles

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Light-duty vehicles, including sedans, SUVs, and pickup trucks, are currently responsible for 58% of US transportation sector emissions. Pickup trucks accounted for 14% of light-duty vehicle sales in the United States in 2020, and the market share of both pickups and SUVs has grown in recent years. Woody et al.

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

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The US Department of Transportation’s National Highway Traffic Safety Administration (NHTSA) announced that it will soon propose robust new fuel economy standards. NHTSA will also begin work, under a new Presidential Executive Order, to develop fuel economy standards for passenger cars and light duty trucks for model years 2027-2030.

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NHTSA proposes updated CAFE standards for LDVs, fuel-efficiency standards for HD pickups and vans

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NHTSA is also setting forth proposed augural standards for MY 2032 passenger cars and light trucks, that would increase at 2% and 4% year over year, respectively, as compared to the prior year’s standards. The proposal would also drive fuel efficiency improvements for heavy-duty pickup trucks and work vans.

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Studies highlight effects of different gasoline components on fuel economy, combustion and emissions

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Researchers at Jilin University (China) have investigated the effect of gasoline components on fuel economy, combustion and emissions in a GDI (gasoline-direct-injection) engine. The team subsequently followed up this first study with a second, exploring the effects in a PFI (port-fuel-injection) engine.

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Cummins ATLAS light-duty diesel surpasses fuel economy targets, with criteria emissions lower than Tier 2/Bin 2

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The Cummins team not only surpassed all fuel-economy targets, but also achieved criteria emissions lower than the stringent Tier 2/Bin 2 levels. The challenge was making those significant advancements while ensuring that the engine we produced would be commercially viable. Test cycle fuel economy (mpg). mpg (12.45

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Cummins progressing with lightweight downsized T2B2 diesel for pickup; 40% improvement in fuel economy over gasoline V8

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At the US Department of Energy’s (DOE’s) Annual Merit Review meeting in Washington, DC last week, Michael Ruth from Cummins noted that the DOE program target for the project is a fuel economy (CAFE) target of 26 mpg (9.05 However, he added, the internal goal is “ significantly higher, ” and is targeting the GHG limit.

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ORNL study finds multi-mode RCCI can offer 15%+ fuel economy improvements across multiple light-duty driving cycles

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Drive cycle fuel economy for PFI, CDC, and multi-mode RCCI operation. Their paper is published in the International Journal of Engine Research. During RCCI-only operation, fuel usage was found to be between 57 and 69% gasoline. Credit: Curran et al. Click to enlarge. RCCI background. earlier post , earlier post ).