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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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2022 Rogue to feature Nissan’s all-new 1.5-liter VC-Turbo variable compression engine

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liter variable compression (VC) Turbo engine across the Rogue lineup. Mated with a responsive new transmission, the 2022 Rogue delivers improved power, best-in-class gasoline-engine fuel economy, most standard torque of any gasoline engine in its class and a more thrilling driving experience.

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Use of leaded gasoline officially ends worldwide

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When service stations in Algeria stopped providing leaded gasoline in July, the use of leaded gasoline in cars ended globally. Tetraethyl lead was used as a gasoline additive to improve engine performance. By the 1970s, almost all gasoline produced around the world contained lead.

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PNNL team develops onboard fuel separation technology to enable octane-on-demand for improved fuel economy

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Researchers at the US Department of Energy’s Pacific Northwest National Laboratory (PNNL) have developed an onboard separation system that could support increased fuel economy and lower greenhouse gas emissions as part of an octane-on-demand fuel-delivery system. Unfortunately, these engines exacerbate engine knock.

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Volkswagen Millerized 1.5 TSI ACT BlueMotion gasoline engine offers diesel-like fuel economy; derivatives may be applied in hybrid systems

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Volkswagen has developed and deployed a gasoline engine that offers diesel-like fuel economy but is significantly cheaper to buy. This enables further reduced fuel consumption and emission levels plus powerful torque even at low engine speeds. Compared with other gasoline engines, the intake valves of the 1.5

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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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Study finds GHG emissions from corn ethanol now 46% lower than gasoline

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A new study by a team from Environmental Health & Engineering (EH&E) has found that greenhouse gas emissions from corn ethanol are 46% lower than those from gasoline—a decrease in emissions from the estimated 39% done by previous modeling. gCO 2 e/MJ) which is 46% lower than the average carbon intensity for neat gasoline.

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