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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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ORNL researchers quantify the effect of increasing highway speed on fuel economy

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This website, jointly maintained by the US Department of Energy and the US Environmental Protection Agency (EPA), provides information such as official EPA “window label” fuel economy estimates for city, highway, and combined driving for all U.S.-legal drop in fuel economy due to traveling 80 mph rather than 70 mph. Speed increase.

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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 l/100 km), and as such would not meet the GHG requirement of 28 mpg (8.4 Exhaust system configuration.

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Cummins ATLAS light-duty diesel surpasses fuel economy targets, with criteria emissions lower than Tier 2/Bin 2

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The Cummins team not only surpassed all fuel-economy targets, but also achieved criteria emissions lower than the stringent Tier 2/Bin 2 levels. Test cycle fuel economy (mpg). The Highway Fuel Economy Test (HFET) and FTP-75 Test (city) cycles demonstrated fuel economy above 35 mpg (6.72 mpg (12.45

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ICCT: incremental technology can cut vehicle CO2 by half and increase fuel economy >60% through 2030 with ~5% increase in price

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Starting from a baseline 26 mpg (9.04 l/100 km) in 2016, the The ICCT team assessed increased consumer label fuel economy (as opposed to the regulatory test fuel economy) to 35 mpg (6.71 l/100 km) in 2025 and to 42–46 mpg (5.6-5.11 Starting from a baseline 26 mpg (9.04 l/100 km) in 2025 and to 42–46 mpg (5.6-5.11

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Tula Technology reports up to 18% fuel economy gain in GM 6.2L V8 using Dynamic Skip Fire technology; emissions benefits too

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In a paper presented at the 2016 SAE World Congress, Tula Technology, developer of Dynamic Skip Fire (DSF) cylinder deactivation technology, reported significant fuel economy gains of up to 18% over a conventional GM 6.2-liter mpg at DSF versus 17.34 mpg at V8 mode. liter V8 by operating using Dynamic Skip Fire. and Younkins, M.

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Mercedes brings lean-burn, stratified BlueDirect to CLA-Class for 7% boost in fuel economy; new all-wheel A-Class diesels

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liter, four-cylinder engine of the new CLA 250 is a member of the BlueDIRECT family of gasoline engines, and was first applied in combination with exhaust-gas turbocharging and external high-pressure exhaust gas recirculation in the E 250 Coupé introduced last year ( earlier post ). (It l/100 km (43.6 Source: Vent et al.