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New Delphi 500+ bar GDi system cuts particulates by up to 50% without engine changes

Green Car Congress

Building off its 350 bar GDi (Gasoline Direct Injection) system, Delphi Technologies has developed a 500+ bar GDi system that can reduce particulate emissions by up to 50% without expensive engine re-designs for the majority of applications. —Walter Piock, chief engineer, Delphi Technologies. Left: GDi 500+ injector.

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2016 Chevy Volt Range-Extending Engine To Have 75 HP?

Green Car Reports

liter Ecotec gasoline engine. The 2016 Chevrolet Volt is expected to downsize to a three-cylinder unit to boost efficiency, but few other details are known--apart.' Electric power is only one part of the Chevrolet Volt equation.

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New Efficient Supercharger with Variable Drive for Downsized Gasoline Engines

Green Car Congress

Turbo lag can become increasingly intrusive as engines get smaller. Superchargers are mechanically geared to enhance performance at either low or high engine speeds. The need to reduce CO 2 emissions is leading to downsized engines, heavily boosted by turbo- or supercharging. million today to 12 million by 2016.

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Volkswagen Group to begin equipping TSI and TFSI engines with gasoline particulate filters from June 2017

Green Car Congress

The Volkswagen Group will begin equipping the Group’s new TSI and TFSI gasoline direct injection engines with gasoline particulate filters (GPF). liter TSI engine in the new VW Tiguan and the Audi A5 in June 2017. This will reduce particulate emissions from the direct injection gasoline engines by up to 90%. Earlier post.)

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

Green Car Congress

Many auto manufacturers have used the combined benefits of GDI and turbocharging for increasing power output from downsized engines. This is evident in the rapid rise of turbo-charged engines in over the past five years, after 11 prior years of desultory growth. Source: DOE. Click to enlarge.

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FEV showcasing 48V technology at 2016 SAE World Congress

Green Car Congress

FEV will showcase some of its 48-Volt technology capabilities at the 2016 SAE World Congress next week in Detroit. FEV engineers are working on a mild hybrid approach that has promise, in this regard, since accommodating a 48-Volt architecture does not require a complete redevelopment of the entire powertrain.

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GM, Ford R&D execs stress importance of improved, advanced fuels for future engine efficiency gains, GHG goals

Green Car Congress

In separate presentations at the 2017 SAE High Efficiency IC Engine Symposium in Detroit, R&D executives from GM and Ford each stressed the importance of improved, advanced fuels—among other technology developments—for their future engine efficiency gains and for long-term CO 2 emissions goals. —David Brooks.

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