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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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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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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 is the authoritative reference for real-world fuel economy, technology trends and tailpipe carbon dioxide emissions, for new personal vehicles sold in the US every year since 1975.

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2015 Ford F-150 offers highest EPA-estimated fuel economy among full-size gasoline-powered pickups

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l/100 km, respectively)—the highest EPA-estimated fuel economy ratings of any gasoline-powered full-size pickup sold in America. liter V6 Ti-VCT engine; a more powerful available 5.0-liter liter V6 Ti-VCT engine; a more powerful available 5.0-liter liter V8 Ti-VCT engine; and an available premium 3.5-liter

F-150 247
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Nissan launches new Note Aura in Japan; enhanced e-POWER electrified powertrain

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The all-new Note Aura comes exclusively with Nissan’s e-POWER electrified powertrain ( earlier post ), a key part of the company’s electrification strategy under the Nissan NEXT global business transformation plan. e-POWER uses a highly efficient gasoline engine to generate electricity for the electric motor that propels the vehicle.

Aura 435
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EPA’s annual automotive trends report shows slight increase in fuel economy from MY2017 to MY2018

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In the US, Model Year (MY) 2018 vehicle fuel economy was 25.1 Since MY 2004, CO 2 emissions have decreased 23%, or 108 g/mi, and fuel economy has increased 30%, or 5.8 Average estimated real-world CO 2 emissions are projected to fall 6 g/mi to 346 g/mi and fuel economy is projected to increase 0.4

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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.