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EVs dominate list of efficient cars in ORNL 2022 Fuel Economy Guide

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The 2022 Fuel Economy Guide, released by ORNL for the DOE/EPA fueleconomy.gov website, provides up-to-date information on fuel economy, environmental and safety data, so consumers can choose the most fuel-efficient vehicle that meets their needs. Credit: Andrew Sproles/ORNL, U.S.

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ORNL study quantifies fuel economy costs of common driver practices and vehicle alterations

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Researchers at Oak Ridge National Laboratory (ORNL) have quantified the fuel economy effects of some common driver practices and vehicle accessories or alterations—including underinflated tires, open windows, and rooftop and hitch-mounted cargo. liter four-cylinder engine, also suffered as its fuel economy dipped 22% from 42.5

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XL launches PHEV Ford F-250; 50% improvement in fuel economy

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According to its initial assessment, XL is reporting that the XLP F-250 truck will provide up to a 50% improvement in miles driven per gallon (MPG) over conventional factory units, while reducing greenhouse gas (GHG) emissions by 33% during normal operation.

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Allison Transmission’s eGen Flex electric hybrid solution introduced in NYC Transit buses

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This option will be set automatically through geofencing technology for zero-emission zones and passenger depots for a quieter and cleaner environment. Moving these accessories to electric power reduces the strain on the engine, reducing fuel consumption and maintenance costs over the vehicle’s lifetime.

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Lightning Systems using predictive analytics to calculate vehicle fleet fuel consumption and tailpipe emissions

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Engineers from Colorado-based Lightning Systems are using artificial neural networks to predict accurately the fuel economy and tailpipe emissions of fleet vehicles. Using artificial neural networks, we are able to accurately predict fuel consumption and emissions of commercial and government fleets.

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NREL study finds gasoline hybrid delivery trucks substantially reduce emissions and beat or maintain fuel economy compared to diesel vehicles

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Criteria emissions by drive cycle. The team found that the gasoline hybrid electric (gHEV) trucks produced substantially reduced tailpipe emissions during all drive cycles tested in the laboratory when compared to conventional diesel vehicles. Influence of route kinetic intensity on fuel economy. Source: Barnitt 2011.

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Chevron introduces new category of heavy-duty motor oil for severe duty applications; improved fuel economy

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The increase in severe duty operations is due to changing driving habits on highway, including shorter haul lengths, the growth in intermodal delivery, and more stop-and-go operations, while off-highway has new energy efficient equipment that helps minimize fuel usage by cycling engines from load to no load.

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