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New Delphi Technologies 500+ bar GDi system cuts gasoline particulate emissions by up to 50%, reduces fuel consumption

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In a paper presented at the 2019 Vienna Motor Symposium this week, Delphi Technologies will unveil a new 500+ bar GDi system that can reduce particulate emissions by up to 50% compared to state-of-the-art 350 bar system without expensive engine design modifications. —Walter Piock, chief engineer, Gasoline Systems, Delphi Technologies.

Emissions 257
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EIA: trends in downsized engine design leading to increased demand for higher-octane gasoline

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Since 2013, the share of premium gasoline in total motor gasoline sales in the US has steadily increased to 11.3% Further, there is increasing interest among stakeholders in exploring the benefits of higher octane fuels that would lead to higher compression ratios which would lead to more efficient engines and reduced fuel consumption.

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Audi using supplementary port fuel injection to address particulates from gasoline direct injection

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In part-load operation, the indirect injection supplements direct gasoline injection to improve fuel economy and to reduce the output of particulates from the engine. Particle number vs. particle mass for various LDV engine technologies. Earlier post.). Earlier post.) Source: MECA, Ford Motor Company. Click to enlarge.

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DOE: gasoline direct injection engine technology showing very rapid adoption; 48.5% market share after 9 years

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Gasoline direct injection (GDI) technology has seen very rapid adoption in the US since its first significant use, according to data gathered by the US Department of Energy’s (DOE) Oak Ridge National Laboratory (ORNL). The data is from ORNL’s 2016 Vehicle Technologies Market Report , due to be released this month. market share.

Gasoline 150
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Aeristech introduces new 20 kW motor for internal combustion and fuel cell compressor applications

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Aeristech, the UK-based developer of power-dense and efficient high-speed electric motors for applications including super- and turbo-chargers and fuel-cell compressors, has introduced a new 20 kW motor. As an early adopter of Aeristech technology, MAHLE was invited to take part in the launch of the new compressor. at 130gs -1.

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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.).

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Volvo introducing new downsized 4-cylinder engine range, with fuel economy improvements up to 35%; hybrid and flywheel drive systems

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The Volvo Car Corporation is introducing a new, downsized engine range consisting solely of four-cylinder gasoline and diesel engines. The upcoming four-cylinder VEA (Volvo Environmental Architecture) engine range includes common rail diesels and direct injected gasoline engines. It’s time to stop counting cylinders.