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Study finds catalyzed gasoline particulate filters effective at reducing particulate and PAH emissions from GDI engines

Green Car Congress

The researchers assessed the gaseous, particulate, and genotoxic pollutants from two current technology gasoline direct injection vehicles when tested in their original configuration and with a catalyzed gasoline particulate filter (GPF). liter downsized turbocharged centrally-mounted direct injection engine. 7b05641.

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Advanced Turbocharged, Direct Injected Gasoline Engines Poised to Take on Diesels in US and in Europe for Reduced Fuel Consumption and Emissions

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However, prior to the remarks on climate change and the regulatory response, he spent a few minutes discussing the efforts on urban pollution—e.g., What more is need to end urban pollution, something we’ve been spending over 30 years working on? smog and particulates. California’s current LEV II emission standards run through 2010.

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Citroën introduces first members of new 3-cylinder gasoline engine family; 1.0L and 1.2L PureTech reduce fuel consumption about 25%

Green Car Congress

Citroën is introducing the first members of its new PureTech family of three-cylinder gasoline engines on the C3, DS3 and C-Elysée (for international markets) ranges. To achieve these results, PureTech development called for a number of changes, chief among which were: Downsizing. PureTech 3-cylinder engine. Click to enlarge.

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Fiat Launches MultiAir Combined with Start/Stop on the MiTo

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liter turbocharged gasoline engine equipped with the new MultiAir air handling system ( earlier post ) on the Alfa Romeo MiTo ( earlier post ) in September. With direct control of the air through the intake engine valves without using the throttle, MultiAir helps reduce fuel consumption and pollutant emissions. The MiTo Multiair.

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Fiat Introduces Multiair Electro-Hydraulic Valve-Timing System

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Fiat expects that Multiair, with direct control of the air through the intake engine valves without using the throttle, can help reduce fuel consumption by up to 10% for turbocharged or naturally aspirated gasoline engines. Pollutant emissions are likewise reduced through combustion control.

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Fiat to Preview Turbo Two-Cylinder Twin-Air at Geneva Show; Natural Gas and Hybrid Applications to Come

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The new Twin-Air engine is an example of downsizing: combining a small displacement engine with a next-generation turbocharger to provide performance comparable to—or better than—that of a larger engine but with less fuel consumption and lower emissions. Earlier post.)

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Ricardo and Growth Energy Collaborate On First Vehicle-Based Demonstration of Ricardos Ethanol Boosted Direct Injection (EBDI) Engine Technology

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Based on test work already carried out, Ricardo estimates that a fuel economy improvement of up to 30% is possible with no loss of power or performance, using a downsized EBDI engine in place of currently available gasoline powertrain technology. the torque of the gasoline engine and match the torque of the 6.6L

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