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

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The approach that Cummins and partners have taken features: Replacing the aluminium V8 gasoline engine and emission control system with smaller diesel (2.8-liter) Lightweight steel pistons provide reduced friction & compression height with increased power density. diesel weighs 362 lbs (164 kg), while the ECS weighs 152 lbs (69 kg).

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ICCT: decline in diesel sales will have negligible impact on attainment of European CO2 emission standards

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The current decline is ales of diesel light duty vehicle in Europe does not put EU CO 2 targets out of reach of automakers, according to a new analysis by the International Council on Clean Transportation (ICCT). Hybrid electric vehicles can provide efficiency gains over diesel power trains at lower CO 2 abatement costs.

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Westport unveils proprietary enhanced spark-ignited natural gas system; up to 10% improvement in power and torque over diesel

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The new approach to natural gas combustion technology is designed to provide vehicle and engine original manufacturers (OEMs) with a “downsized” natural gas solution that is cost competitive while providing similar levels of power, torque, and fuel economy to a larger diesel engine. Earlier post.).

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Ricardo to display functional integration prototype of ADEPT 48V “intelligent electrification” diesel

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Ricardo will display the first functional integration prototype of the Advanced Diesel Electric Powertrain (ADEPT) collaborative research project ( earlier post ) in public for the first time this week at the Low Carbon Vehicle Event (LCV 2014) in the UK. 48V Diesel Fuel Efficiency' ADEPT schematic. Click to enlarge.

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CPT launching water-cooled electric supercharger for commercial diesel engines

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At the 17 th Supercharging conference this week in Dresden, Controlled Power Technologies (CPT) will launch what it says is the first water-cooled electric supercharger developed for “quasi-continuous” boosting of commercial diesel engines, including those developed for off highway applications. tonnes gross vehicle weight.

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New Efficient Supercharger with Variable Drive for Downsized Gasoline Engines

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The need to reduce CO 2 emissions is leading to downsized engines, heavily boosted by turbo- or supercharging. But while these engines easily reach high peak power and torque figures, they struggle to provide the required low-speed response. —Torotrak engineering manager David Burtt, co-author of the paper.

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Study finds highly-turbocharged alcohol-fueled DISI engines could be more efficient than diesels

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Highly turbocharged alcohol-fueled direct-injection spark-ignition (DISI) engines operated at a high compression ratio could be as or more efficient than diesel engines while also providing advantages of lower vehicle cost, lower emissions and higher power, according to a recent modeling study by Leslie Bromberg and Daniel Cohn at MIT.

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