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Pinnacle 4-stroke opposed-piston SI engine shows fuel economy improvements of between 30-60% at light loads, 12-30% at medium loads over conventional

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The results represent a light-load indicated efficiency improvement of 15-30% (up to 40.9%). During the valve open event, all but the top few millimeters are drawn past a lip seal into oil. There is no ISFC improvement at high load. The company presented these latest test results in a paper at the SAE 2012 World Congress in Detroit.

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Update on the ACCESS fuel efficient engine project; simulations find up to 48.9% improvement in fuel economy over baseline

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Future advanced engine and powertrain configurations must address emission and fuel economy requirements for worldwide applications, transition to bio-fuels, and synergies with future powertrain trends. improvement in fuel economy over the baseline engine for the Metro-Highway (M-H) cycle. Earlier post.).

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ACCESS project targeting 30% improvement in fuel economy and SULEV emissions in light-duty gasoline engine; multi-mode SI/HCCI combustion

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The A dvanced C ombustion C oncepts— E nabling S ystems and S olutions (ACCESS) is developing advanced combustion control concepts along with with an enabling system, subsystem and component level solutions for the management of multi-mode/multi-fuel combustion events.

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Chrysler unveils 2013 Ram with array of new systems focused on fuel economy

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liter Pentastar V-6 engine (Ward’s 10 Best Engines Award two years in a row) with variable-valve timing (VVT) offers best-in-class standard 305 hp (227 kW), with 269 lb-ft (365 N·m) of torque and best-in-class fuel economy for V-6 trucks, according to Chrysler. Specific fuel economy figures are note available yet.)

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Cummins ATLAS light-duty diesel surpasses fuel economy targets, with criteria emissions lower than Tier 2/Bin 2

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The Cummins team not only surpassed all fuel-economy targets, but also achieved criteria emissions lower than the stringent Tier 2/Bin 2 levels. —Michael Ruth, Director/Technical Project Leader, Advanced Light-Duty. Test cycle fuel economy (mpg). The original ATLAS project fuel economy targets were 22.4

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Oshkosh runs diesel series-hybrid light concept vehicles in 43rd Annual Tecate SCORE Baja 1000

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The Oshkosh Extreme Racing team Light Concept Vehicle (LCV) M2. Oshkosh Corporation ran two Light Concept Vehicles (LCV) through the 43 rd Annual Tecate SCORE Baja 1000 off-road race course in Mexico, 18-20 November; one crossed the finish line of the 1,061-mile desert course. Click to enlarge. Earlier post.)

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Global Fuel Economy Initiative Releases Roadmap Report on Achieving 50% Fuel Economy Improvement in LDV Fleet by 2050

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The IEA and ITF have developed a range of projections of possible “business-as-usual” scenarios around this, indicating the potential for a doubling (or more) of vehicle kilometers travelled (VKT) combined with modest improvements in vehicle fuel economy. Fuel taxes. litres per 100 km). Vehicle taxes and incentives.