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DOE proposes revising procedures for calculating petroleum-equivalent fuel economy of EVs for use in CAFE calculations

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The US Department of Energy (DOE) is proposing a significant revision in its procedures for calculating a value for the petroleum-equivalent fuel economy of EVs for use in the Corporate Average Fuel Economy (CAFE) program administered by the Department of Transportation (DOT). DOE published a final rule on 12 June 2000.

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Nissan introduces new Navara pickup with fuel economy improved by up to 11% over previous model

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The NP300 Navara’s powertrain delivers improved performance, with reduced fuel consumption and emissions, as well as a dynamic control braking system that makes for a leader in segment performance. Engine options have been developed for best in class fuel efficiency and emissions ratings. liter in-line 4-cylinder gasoline engine.

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Researchers propose optimization strategy for Atkinson cycle engines in hybrids

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A team from the Beijing Institute of Technology and Beiqi Foton Motor are proposing a performance optimization strategy for the Atkinson cycle gasoline engine, which is playing a key role in the development of hybrid electric vehicles due to its greater fuel economy than a conventional Otto cycle engine. —Niu et al.

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IHS Markit: GM announcement latest sign that peak gasoline demand from light vehicles has already come and gone

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IHS Markit places the global peak for oil demand (gasoline and diesel) from LVs in 2019 when the demand averaged 29.1 Demand peaking is due to the impact of rising vehicle fuel economy and emission standards, and as time goes by, from more sales of electric vehicles. million barrels per day (MMb/d). of world consumption.

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California 2017 GHG inventory shows 1.2% total drop from 2016; transportation sector emissions up 1%

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These reductions have occurred while California’s economy has continued to grow. while the carbon intensity of its economy declined by 4.5%. Changes in emissions by Scoping Plan sector between 2000 and 2017. Emissions from gasoline used in on-road vehicles are the main driver of that increase.

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Ford researchers: global light-duty CO2 regulatory targets broadly consistent with 450 ppm stabilization

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Further, the study compares 450 ppm LDV CO 2 glide paths derived using only vehicle efficiency improvements against those derived using both vehicle and fuel actions. The SMP model calculates 2000?2050 They converted from an absolute amount to scale relative to 2000. Because of the high LDV emissions in 2000?2010,

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Researchers propose evaluating alt fuel efficiency based on energy rather than volume; impact of ethanol on vehicle efficiency and GHGs

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Relative changes in vehicle energy efficiency (VEE) (km/MJ) on ethanol/gasoline blends over those on gasoline for different blending levels. Several recent highly cited LCAs that have incorporated vehicle efficiency differences between gasoline and ethanol/gasoline blends could potentially be misleading. Click to enlarge.

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