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CMU study finds secondary organic aerosol production from PFI and GDI vehicles has been “substantially” reduced by tightening NMOG standards

Green Car Congress

Now, in a new study published in the ACS journal Environmental Science & Technology , researchers at Carnegie Mellon University have found that secondary organic aerosol (SOA) production from both port fuel injection (PFI) and gasoline direct injection (GDI) vehicles has been substantially reduced through the tightening of NMOG emissions.

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Hyundai Unveils Its First Production Gasoline Direct Injection Engine

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Theta II GDI, its first Gasoline Direct Injection engine before an audience of engineers attending the Ninth Annual Hyundai-Kia International Powertrain Conference in Korea. GDI application will subsequently be expanded across the gasoline engine family and applied to other Hyundai models. Theta II GDI. Click to enlarge.

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Ford to bring 20 new engines and transmissions to China and improve fleet fuel economy by more than 20% by 2015; producing the new 1.0L EcoBoost in China

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Utilizing technologies such as turbocharging, direct injection, twin independent variable camshaft timing (Ti-VCT) and six-speed transmissions, the upgraded powertrain portfolio will deliver more than 20% in fuel economy improvement to Ford’s passenger vehicle fleet in China by 2015 while reducing tailpipe carbon dioxide emissions by 20%.

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ICCT study concludes no technical barriers to use of higher blends of ethanol

Green Car Congress

Pressure on the RFS2 has increased as statutory mandated volumes of biofuel exceed the “blendwall” of 10% ethanol in gasoline. Primary technical concerns with using intermediate-level blends of ethanol in the vehicle fleet include: Fuel economy. the optimal air/fuel ratio for ethanol blends is lower than for pure gasoline.

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Toyota introducing new powertrain units based on TNGA; transmissions, engine, hybrid system, 4WD

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liter hybrid system; and new 4WD systems—one for gasoline-engined cars, one for hybrids—based on the Toyota New Global Architecture (TNGA). Toyota intends to expand the number of models equipped with the newly announced powertrain units globally from this spring onward. liter Dynamic Force Engine, a New 2.0-liter

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Honeywell Global Turbo Forecast projects 49M turbocharged vehicle sales, $12B revenue per year by 2019

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Automakers are turning to downsized turbocharged engines to satisfy more stringent global fuel economy and emission regulations and customer demand for better-performing vehicles. In addition to improving fuel efficiency, downsized turbocharged engines also reduce harmful exhaust emissions.

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Cummins introduces 5L V8 diesel for North American light- and medium-duty commercial vehicles

Green Car Congress

will serve customers in the United States and Canada, and will be certified to US EPA 2013 NO x and PM emissions levels. Many of our customers have asked for a Cummins alternative for gasoline or other small displacement automotive diesel engines. Like the new 5.0L Cummins ISV5.0 Cummins ISV5.0 Diesel Engines'

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