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Pinnacle’s opposed-piston scooter engine can meet NOx target with lean operation and ignition delay; little fuel economy hit

Green Car Congress

For the target market (the Asian scooter market), the low NO x capability of the Pinnacle engine provides a significant cost benefit to manufacturers. When the entire vehicle costs around $700, that’s a significant difference. Four engine control modes were evaluated with the goal of reducing NO x and minimizing fuel economy impact.

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Alumobility study: aluminum top hat provides automakers a lighter, sustainable alternative

Green Car Congress

Introduced at Automotive Circle’s annual EuroCarBody conference, the study’s aluminum top hat achieved 42% weight savings compared to the reference top hat of the current Audi e-tron electric SUV, which uses advanced (AHSS) and ultra-high-strength steels (UHSS). —Mark White, Executive Director of Alumobility.

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FEV’s two-stage VCR system; 5-7% increase in fuel economy using variable length conrods

Green Car Congress

Use of a variable compression ratio (VCR) could be one technology approach to reducing fuel consumption in highly boosted (e.g., downsized, turbocharged) gasoline engine, as operating an engine with higher compression ratios at low load can increase fuel economy compared to operating an engine with fixed compression ratio.

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ExxonMobil projects 25% energy demand increase between 2014-2040, 50% decline in carbon intensity; hybrids to be 40% of new car sales

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At the same time, energy efficiency gains and increased use of renewable energy sources and lower carbon fuels, such as natural gas, are expected to help reduce by half the carbon intensity of the global economy. Global vehicle fuel efficiency - projections. On-road fuel economy varies significantly by region.

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HyBoost concept achieving close to Prius-level CO2 emissions; aggressive downsizing with advanced boosting and micro-hybrid system

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variant but with fuel economy of a strong hybrid. Engine downsizing is central to Ricardo’s gasoline engine roadmap for future CO 2 and fuel economy improvements. to 1, and that gap will widen to a 16 to 1 ratio by 2017 because of the lower cost of SSVs compared to HEVs. Click to enlarge. Click to enlarge.

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ALTe Developing Series Plug-in Hybrid Powertrains for Conversion and OEM Applications

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In the Crown Victoria, the proof of concept powertrain conversion systems improve fuel economy from 80%-200% from the base 4.6L Gen1 System installed in a Crown Vic. Click to enlarge. Gen 2 system in a rolling chassis. Click to enlarge. V8: from 14 mpg to up to 43 mpg, depending on vehicle use.

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Progress on ATLAS: Cummins’ Tier 2 Bin 2 light duty diesel project

Green Car Congress

Cummins is one year into a four year program (ATLAS, Advanced Technology Light Automotive Systems) to develop, in partnership with the US Department of Energy (DOE), a new light-duty diesel truck engine that will meet Tier 2 Bin 2 (SULEV) emission requirements while achieving at least a 40% fuel economy improvement (26.1 mpg US vs. 18.6

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