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Tsinghua studies on alcohol-gasoline dual fuel engines show fuel efficiency and particle number benefits

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Researchers at Tsinghua University in China are studying the effects of Dual-Fuel Spark Ignition (DFSI) combustion fueled with different alcohols and gasoline. Alternatively, in the second study, gasoline–alcohol DFSI is based on PFI of gasoline and DI of alcohols.). —Liu et al.

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Researchers propose evaluating alt fuel efficiency based on energy rather than volume; impact of ethanol on vehicle efficiency and GHGs

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Relative changes in vehicle energy efficiency (VEE) (km/MJ) on ethanol/gasoline blends over those on gasoline for different blending levels. Several recent highly cited LCAs that have incorporated vehicle efficiency differences between gasoline and ethanol/gasoline blends could potentially be misleading. Click to enlarge.

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BCG study finds conventional automotive technologies have high CO2 reduction potential at lower cost; stiff competition for electric cars

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The study concludes that China and Europe, not the United States, will be the largest markets for EVs in 2020, driven by strong government support. Alternative fuels could also play a role in emission reduction for ICE-propelled vehicles, BCG notes. However, China is a major wildcard. Source: BCG. Click to enlarge. Source: BCG.

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EC rolls out CARS 2020 action plan for European auto industry

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will also need to be made with the further development and distribution of sustainable fuels which can be alternatives to traditional diesel and gasoline. promote dialogue with relevant stakeholders on a voluntary fuel labeling scheme. Sizeable efforts. At the same time, road safety. remains an important concern.

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Split injection Miller cycle with boost decreases knock tendency and increases torque in downsized engine

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Researchers at Tianjin University in China report that combing split injection to the Miller cycle with boost pressure can effectively decrease the knock tendency and increase the engine torque in a downsized spark-ignition engine. Their paper is published in the journal Fuel. —Wei et al. L and a compression ratio of 10:1.

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DOE to award up to $137M for SuperTruck II, Vehicle Technology Office programs

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Volvo Technology of America LLC will develop and demonstrate a tractor trailer combination with lightweight cab that achieves the freight efficiency goal using alternative engine designs and a variety of system technologies. valve faces, piston crowns, and exhaust ports) to improve fuel economy. Description. Federal funding.

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Mixed Outlook for Mainstream Consumer Adoption of PHEVs

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Dr. Ken Kurani from the UC Davis Institute of Transportation Studies (ITS) presented results from the latest in a series of electric drive consumer studies seeking to learn from consumers whether or not PHEVs are a good idea. Our history with alternative fuels has been truly awful.” Ken Kurani. Steve Plotkin.

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