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Volkswagen AG timeline on diesel emissions scandal

Green Car Congress

As part of a response to a shareholder lawsuit in Germany alleging a violation of the company’s disclosure obligations under Germany’s capital markets law, Volkswagen AG has outlined the timeline and background events leading to the eruption of the diesel emissions scandal last fall. Timeline and events.

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California ARB to begin enhanced testing of modern light-duty diesel engines to detect emissions cheating

Green Car Congress

The California Air Resources Board sent a letter to automobile manufacturers notifying them that ARB will begin using enhanced testing procedures for modern light-duty diesel vehicles to determine compliance with emission levels to which they were originally certified. Earlier post.).

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Volkswagen of America temporarily withdraws application for US certification of MY 2016 vehicles; AECDs

Green Car Congress

The AECD to which Horn refers is distinct from the hidden software “defeat device” in the four-cylinder diesels from model years 2009-2015 that could recognize whether a vehicle was being operated in a test laboratory or on the road. These events are deeply troubling. diesel engine. Earlier post.).

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SwRI’s HEDGE Technology Eliminates Low-Speed Pre-Ignition in Highly Boosted Engines

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The presence of low-speed pre-ignition is considered a major impediment to automobile manufacturers’ efforts to aggressively downsize engines to reduce carbon dioxide emissions. This is a substantial development because it has the potential to affect every original equipment manufacturer (OEM).

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NRC report finds significant number of near-term technologies could greatly reduce fuel consumption in passenger cars

Green Car Congress

Replacing spark-ignition engines with diesel engines and components would yield fuel savings of about 37% at an added cost of approximately $5,900 per vehicle, and replacing spark-ignition engines with hybrid engines and components would reduce fuel consumption by 43% at an increase of $6,000 per vehicle.

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European, Japanese and American Heavy-Duty Vehicle and Engine Manufacturers Call for Global Policy Cooperation to Improve Energy Efficiency and Emissions of Road Freight Transport

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The world’s leading heavy-duty vehicle and engine manufacturing companies are urging the close cooperation between policy makers in Europe, the United States and Japan to develop practical and effective fuel-efficiency measurement metrics, methodologies and regulations which would then be used all around the globe.

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National Research Council Study Finds That Available Technologies Can Result in Significant Fuel Savings for Passenger Vehicles Over the Next 15 Years, But at Higher Purchase Prices for Consumers

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Using a 2007 base vehicle, the committee estimated the potential fuel savings and costs to consumers of available technology combinations for three types of engines over that timeframe: spark-ignition gasoline, compression-ignition (CI) diesel, and hybrid.

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