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Swiss team concludes that particulate filters should be mandatory for GDI engines

Green Car Congress

Based on a three-year study of toxic and environmentally relevant pollutants from gasoline direct injection (GDI) engines, Swiss researchers have concluded that some GDI engines emit just as many soot particles as unfiltered diesel cars did in the past. Further, the GDI particles carry numerous carcinogenic substances. —Norbert Heeb.

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EEA report: EVs are better for climate and air quality

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Across its life cycle, a typical electric car in Europe produces fewer greenhouse gases and air pollutants compared with its gasoline or diesel equivalent, according to the report. For local air quality, electric vehicles also offer clear benefits, mainly due to zero exhaust emissions at street level.

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Next Generation Ford EcoBoost to Offer Cooled EGR; Exploring More Advanced Turbocharging, Ethanol Options

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The next generation of Ford’s EcoBoost turbocharged, direct-injection gasoline engines will introduce cooled EGR (exhaust gas recirculation), enabling higher compression ratios, according to Ford executives speaking at the SAE 2010 World Congress in Detroit. SAE 2010-01-0353. Alger et al. ,

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Emissions testing shows Lighting Hybrids hydraulic hybrid drive delivers significant reduction in NOx, up to 18% improved fuel consumption

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The LH gasoline hydraulic hybrid shows an extreme reduction in NO x compared to a diesel baseline. The hybrid vehicle under test was a 2010 GMC 3500/4500 Savana Cutaway with a GM 6.0 liter gasoline V8 engine, loaded with a concrete dummy load to bring the weight up to 10,800 lbs (4,899 kg). Source: Lightning Hybrids.

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University of Wisconsin Researchers Investigating Dual-Fuel (Gasoline and Diesel) Partially Premixed Combustion for High-Efficiency, Ultra-Low Emission Combustion; 53% Thermal Efficiency

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Researchers at the University of Wisconsin, led by Dr. Rolf Reitz, are investigating a blended dual-fuel (gasoline and diesel) concept to extend the operating range of partially premixed charge compression ignition combustion by using the varying fuel reactivity of the charge blend, which is determined in real time. Source: Rolf Reitz.

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Transonic Looking at Final Funding Round This Year, Production Deployment of Supercritical Fuel System in 2014; 50-75% Improvement in Engine Fuel Economy

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TSCi combustion minimizes heat loss to the cylinder walls and in the exhaust. The company currently is optimizing the system for use in modern high-compression diesel architecture engines, near-term running on gasoline while longer-term utilizing advanced low-carbon fuels. As a comparison, the 2010 Prius delivers 51 mpg US (4.6

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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

Comparison of Emission Standards (g/mi). . California’s current LEV II emission standards run through 2010. Cackette was in effect suggesting that the future tailpipe emissions baseline (LEV III) for light duty passenger vehicles—both diesel and gasoline—was likely to be or to approximate CA SULEV/US Tier 2 Bin 2. John Kirwan.

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