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Cummins progressing with lightweight downsized T2B2 diesel for pickup; 40% improvement in fuel economy over gasoline V8

Green Car Congress

Purdue University will work with the team on variable valve train options for warm up and HC control, all leading to the final T2B2 demonstration on a complete, street worthy, driveable vehicle.

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

Green Car Congress

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. 2017.11.006.

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Torotrak to present extreme engine downsizing solution at Dresden supercharging conference

Green Car Congress

V-Charge system with mechanical variable drive outperforms conventional boosting methods on downsized gasoline engine. These will include simulation using a GT-Power model and engine dynamometer testing which was carried out at the University of Bath Powertrain and Vehicle Research Centre (PVRC). Click to enlarge.

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Study Assesses Product Attribute Trade-offs and Technological Progress; Meeting Proposed Obama Fuel Economy Standards Will Require Downsizing and Change in Fleet Mix

Green Car Congress

In contrast, the standards recently announced by the Obama Administration, while attainable, require downsizing and a shift in the fleet mix away from SUVs. Institute of Transportation Studies, University of California, Davis, Research Report UCD-ITS-RR-09-16. Knittel, Christopher R.

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Testing confirms Torotrak V-Charge variable drive mechanical supercharger enables more ambitious downsizing; 1.0L demo at Aachen

Green Car Congress

Independent on-engine test results have verified the simulation predictions that a Torotrak V-Charge variable drive mechanical supercharger enables more ambitious levels of engine downsizing. The tests were carried out by the University of Bath Powertrain and Vehicle Research Centre (PVRC), using a Ford 1.0L Compared to a current 1.5L

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Volkswagen Emphasizes Downsizing at 30th Vienna Engine Symposium; Highlights 1.2 TSI and 1.6 TDI

Green Car Congress

Continuing to emphasize a downsizing approach, Volkswagen presented two new engines at the at the 30 th Vienna Engine Symposium (7-8 May): the 1.2-liter Downsizing is rigorously being developed in the volume segments with the 1.2 Click to enlarge. liter TSI gasoline engine and the 1.6-liter liter TDI diesel. Earlier post.).

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Controlled Power Technologies Packages Its Switched Reluctance Systems in ‘RegEnBoost’ System for Enhanced Support for Downsizing

Green Car Congress

This crucial difference means the technology is perfectly suited to maintaining vehicle performance and driveability—widely recognized as a critical marketing issue for any car maker contemplating radical engine downsizing. Formed in 2006, the company is a spin-out from the Honda Ecotechnology Centre at Cranfield University.