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Ricardo: achieving light-duty diesel RDE NOx compliance in urban driving is possible, at a price

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The vehicles on which the research was based were representative of current production models at the more aggressive end of the downsizing spectrum in terms of engine capacity and output, but modeled with a future three cylinder 1.5 The cost comparison is with respect to a Euro 5 baseline. liter diesel engine. Click to enlarge.

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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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Comparison of Emission Standards (g/mi). . the manufacturing can be profitable and also very competitive. We see dramatic downsizing and boosting [as] something that’s going to for gasoline engines especially. To be able effectively to implement downsizing and downspeeding, good low-end torque is essential. John Kirwan.

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Ford Unveils Ford Fiesta for North America at Los Angeles Auto Show; 1.6L I4 with Ti-VCT Delivers Estimated 40 mpg Highway

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Fiesta features Twin Independent Variable Camshaft Timing (Ti-VCT) ( earlier post ) which allows the engine to be downsized for fuel economy while continuously optimizing camshaft phasing for throttle response, performance and flexibility. Tags: Fuel Efficiency Vehicle Manufacturers. The car is Europe’s No.

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NRC releases second report on 21st Century Truck Partnership

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In addition, the report says, the Partnership needs to review whether additional partners—such as major truck and component manufacturers that are not currently members—that could contribute to the R&D program should be recruited. The 21CTP realizes this, and its new goals for the aftertreatment program specifically state this.

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Rotrak testing prototype variable drive supercharger in vehicle on dyno

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In a 2010 paper, Roger Stone, Engineering Director, Torotrak noted that conventional turbo- and supercharging technologies are more than capable of delivering the required peak power and torque levels from downsized engines but suffer from a number of. It gives the next generation of downsized powertrains ‘big-engine’ response.

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ICCT: 2025 target average of 70 g/km CO2 for new cars in EU feasible and economical; more so with electric drive

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However, transitioning soon to electric drive could lower manufacturers’ compliance costs by as much as €500 (US$532) per vehicle in 2025. We are already seeing that some European vehicle manufacturers, like Renault-Nissan and more recently Volkswagen, appear to be pursuing that product strategy. Source: The ICCT. Click to enlarge.

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FEV analysis of automotive-scale Pinnacle opposed-piston engine finds potential for significant increases in fuel economy

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FEV conducted three programs to assess fuel economy potential; technical and manufacturing feasibility; and cost. liter, 3-cylinder design of the Pinnacle engine, as well as a downsized, turbocharged 750cc Pinnacle design. As a point of baseline comparison, an unnamed production MY2009 1.5L —FEV analysis. Fuel economy.