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

Green Car Congress

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

Green Car Congress

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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Cummins to launch new X10 engine in N America in 2026; next in the fuel-agnostic series

Green Car Congress

Cummins will launch the next engine in the fuel-agnostic series, the X10, in North America in 2026. This engine, named as part of the X engine family, is positioned to replace both the L9 and the X12 with the versatility to serve both medium- and heavy-duty applications. Fuel Agnostic Platform.

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Assessment of US CAFE fuel economy standards finds big savings on fuel and emissions since inception

Green Car Congress

In one of the first comprehensive assessments of the fuel economy standards in the United States, researchers from Princeton University and the University of Tennessee found that, over their 40-year history, the standards helped reduce reliance on foreign oil producers, cut greenhouse gas emissions, and saved consumers money.

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

Green Car Congress

Nissan introduced a new Rogue SUV for the 2021 model year; for 2022, Nissan is making its best-selling model more powerful, more fuel-efficient and more fun to drive with an all-new, 1.5-liter liter variable compression (VC) Turbo engine across the Rogue lineup. 2022 Nissan Rogue. Earlier post.) New generation Xtronic transmission.

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Hyundai Motor Group unveils CVVD engine technology; +4% performance, +5% fuel economy, -12% emissions

Green Car Congress

T-GDi—the first engine to feature the technology. CVVD optimizes both engine performance and fuel efficiency while reducing emissions. When the vehicle is maintaining a constant speed and requires low engine output, CVVD opens the intake valve from the middle to end of the compression stroke. T-GDi engine.

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Review: 2025 Honda Civic Hybrid achieves Prius-like fuel economy

Baua Electric

liter inline-4 on the Atkinson cycle, as part of Honda’s two-motor hybrid system, for a combined system output of 220 hp and 232 lb-ft of torque. The propulsion motor powers the drive wheels the vast majority of the time, while it clutches in the gasoline engine in some gentle highway cruising conditions for peak efficiency.