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EIA: trends in downsized engine design leading to increased demand for higher-octane gasoline

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This trend of increasing demand for higher octane gasoline is likely driven by changes in fuel requirements for light-duty vehicles (LDV) in response to increasing fuel economy standards, which will have widespread implications for future gasoline markets, according to EIA analysts. of the market. In MY 2010, 12.5%

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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. HyBoost achieves this by combining aggressive 50% downsizing of the engine with an electric supercharger for transient low-speed performance, and a micro-hybrid stop-start and energy recuperation systems, Boggs said. Downsizing the 2.0-liter Micro-hybrid market.

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ICCT working paper highlights benefits of current and emerging light-duty diesel technology; “promising pathway for compliance”

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The ICCT team—John German and Aaron Isenstadt—concluded that diesels have and will retain two significant advantages over gasoline engines: significantly better fuel economy and cargo hauling and towing ability. Coming cost reductions will improve the diesel’s competitiveness and likely increase its market share in the future.

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JD Power 2012 APEAL highlights ongoing downsizing trend for new car buyers in US; increasing satisfaction with smaller vehicles

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The 2012 APEAL Study finds that 27% of new-vehicle buyers who replaced a vehicle downsized—i.e., Automakers are heavily focused on providing the US market with appealing smaller models, and buyers may be surprised at just how good some of them are. purchased a new vehicle in a smaller segment than the vehicle they replaced.

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GFEI report finds improvements in average new LDV fuel economy lagging pace required to cut 50% fuel use for new cars worldwide by 2030; policy focus should be on emerging markets

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Vehicle size, a key determinant of fuel economy, has shown a reduction in OECD countries, while the non-OECD trend is toward bigger vehicles. The analysis, an update of an earlier work using data from 2010 and 2011, found that the global average for light-duty vehicle fuel economy was 7.2 Source: GFEI. Click to enlarge.

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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%). The engine architecture has two different configurations: a fixed-geometry lower content version targeted at markets in developing countries (e.g., There is no ISFC improvement at high load. Source: Pinnacle. Click to enlarge.

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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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Especially with increased production volume of renewable fuels and optimized powertrain solutions for flexible fuel vehicles, there is a chance for combustion engines to not only remain in the market but also be sustainable for future vehicle. improvement in fuel economy over the baseline engine for the Metro-Highway (M-H) cycle.