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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

Green Car Congress

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 USA, Mexico, Chile to a lesser extent) had strong increases in their vehicle sales between 2010 and 2011. —“International comparison of light-duty vehicle fuel economy”.

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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

Green Car Congress

Additionally, suggested one of the speakers, advanced SIDI (spark-ignited, direct-injection) engines can take light-duty market share back from diesels in Europe based on the same trends. Comparison of Emission Standards (g/mi). . California’s current LEV II emission standards run through 2010. SULEV/Tier 2 Bin 2 is the target.

Gasoline 150
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Former Commerce and Transportation Secretary Norman Mineta urges technology neutral policies in reaching proposed CAFE standards

Green Car Congress

From a “well-to-wheel” perspective, high efficient gasoline and diesel engines are nearly as energy efficient as any technology available. The quickest and most cost-effective way to achieve our energy usage goals is through faster adoption of fuel-efficient downsized gasoline and diesel engines. Data: Polk. Click to enlarge.

Standards 247
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Taking another look at methanol as an alternative transportation fuel for the US

Green Car Congress

In comparison, they noted, the technology for bio-chemical ethanol production from cellulosic biomass is not sufficiently developed yet. The technology opens the possibility of a spark-ignited gasoline engine operating at high compression ratio (12 - 14) and high boost ratios of 2.0- methanol using thermo-chemical processes.

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NRC releases second report on 21st Century Truck Partnership

Green Car Congress

In July 2010, the National Research Council (NRC) appointed the Committee to Review of the 21 st Century Truck Partnership, Phase 2, to conduct an independent review of the 21 st Century Truck Partnership (21CTP). Among the findings and recommendations, by area, from the new report are: ENGINE SYSTEMS AND FUELS. ENGINE IDLE REDUCTION.

EPA 199
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Promising Delphi 1st-gen Gasoline Direct Injection Compression Ignition engine meeting ultra fuel efficient program targets

Green Car Congress

In a presentation at the SAE 2014 High Efficiency IC Engine Symposium and then in a paper given at SAE 2014 World Congress, Mark Sellnau, Engineering Manager, Delphi Advanced Powertrain, reported that Brake Specific Fuel Consumption for the 1.8L Earlier post , earlier post.). Background. Earlier post.) DOE UFEV program targets.

Gasoline 304
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Rotrak testing prototype variable drive supercharger in vehicle on dyno

Green Car Congress

Source: Stone (2010). The company’s engineers have a prototype system running in a B-segment donor vehicle on a dynamometer and are calibrating the control strategy to prove its driveability, performance, CO 2 and fuel economy benefits. It gives the next generation of downsized powertrains ‘big-engine’ response.