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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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EIA: trends in downsized engine design leading to increased demand for higher-octane gasoline

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Since 2013, the share of premium gasoline in total motor gasoline sales in the US has steadily increased to 11.3% in August and September 2015—the highest share in more than a decade, according to data from the US Energy Information Administration (EIA). Energy Information Administration, Prime Supplier Sales Report.

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IHS Markit: US gasoline demand could be cut almost in half due to COVID-19

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A sudden drop in miles traveled by car in the US triggered by wide-spread social isolation measures will have immediate ramifications for gasoline demand. IHS Markit analysis finds that US gasoline demand could fall by as much as 4.1 The four-week average US gasoline demand for the week ending 6 March 2020 was 9.1

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DOE releases two Co-Optima studies; high-octane blendstocks, engine efficiency merit function

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The US Department of Energy (DOE) has released two studies from the Co-Optimization of Engines & Fuels initiative ( Co-Optima ) ( earlier post ). These new blendstocks, co-optimized with advanced gasoline engines, show potential to improve passenger vehicle fuel economy by 10%.

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New Volkswagen Polo BlueGT with cylinder deactivation offers gasoline engine fuel economy of up to 52 mpg US

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liter gasoline-fueled TSI of the Polo BlueGT. This combination of efficiency and dynamic performance is enabled by the systematic interplay of ACT, downsizing (reduced engine displacement plus direct injection and charging) and BlueMotion Technology (Stop/Start system, battery regeneration). The system was realized with the new 1.4-liter

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Mercedes-Benz introducing diesel E 300 BlueTEC HYBRID with fuel economy of 56 mpg US; gasoline-engined E 400 HYBRID model to follow

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Daimler will introduce the Mercedes-Benz E 400 HYBRID—equipped with a V6 gasoline engine—into in the US market, and later in other countries such as Japan and China. The combustion engine shuts down and the desired speed is maintained by the electric? In 2009, Mercedes-Benz introduced the S 400 HYBRID. Displacement.

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Sandia, TUD optical diagnostic helps reduce emissions while improving fuel economy

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Initially, the researchers have focused on the combustion of liquid fuel sprays found in engines, where the extreme pressures and temperatures create an environment that is optically challenging. Imaging flames at temperatures and pressures found in engines can be difficult because of a phenomenon called “beam steering.”