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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 progressing with lightweight downsized T2B2 diesel for pickup; 40% improvement in fuel economy over gasoline V8

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At the US Department of Energy’s (DOE’s) Annual Merit Review meeting in Washington, DC last week, Michael Ruth from Cummins noted that the DOE program target for the project is a fuel economy (CAFE) target of 26 mpg (9.05 Cost of the new engine relative to gasoline baseline. Earlier post.). l/100 km) for a vehicle of that size.

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DOE: in 2018, 27% of new light-duty vehicles in US had fuel economies > 30 mpg

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In 2018, 27% of new light-duty vehicles sold in the US had fuel economies of more than 30 miles per gallon (783 l/100 km), according to the US Department of Energy (DOE). By contrast, none of the light-duty vehicles produced in 1975 had fuel economy greater than 30 miles per gallon (mpg). In 1995, 4.4%

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Ford, U Mich study finds greater greenhouse gas reductions for pickup truck electrification than for other light-duty vehicles

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Light-duty vehicles, including sedans, SUVs, and pickup trucks, are currently responsible for 58% of US transportation sector emissions. Pickup trucks accounted for 14% of light-duty vehicle sales in the United States in 2020, and the market share of both pickups and SUVs has grown in recent years. Woody et al.

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Nissan reveals Frontier Diesel Runner with 2.8L Cummins turbo diesel; leveraging ATLAS engine program

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Based on a Frontier Desert Runner 4x2 model, was created to gauge the market reaction to a Nissan mid-size pickup with a diesel engine and plot a potential future direction for the Frontier. The baseline engine for the work was a Euro IV-compliant inline 4-cylinder 2.8L to provide a 5.0-liter Earlier post.). to provide a 5.0-liter

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EPA fuel economy report finds weight and power leveling off, footprint stable

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EPA recently released the latest edition of its annual report Light-Duty Automotive Technology, Carbon Dioxide Emissions and Fuel Economy Trends. The report found that fuel economy for the US fleet continues to improve. The report found that fuel economy for the US fleet continues to improve.

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EPA trends report finds MY 2021 fuel economy remained flat at a record high while CO2 levels hit new low

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The US Environmental Protection Agency (EPA) released its annual Automotive Trends Report , which shows that model year (MY) 2021 vehicle fuel economy remained at a record high—but flat with MY 2020 fuel economy—while CO 2 emission levels reached a new record low. Source: EPA. Source: EPA. SOurce: EPA.