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Studies highlight effects of different gasoline components on fuel economy, combustion and emissions

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Researchers at Jilin University (China) have investigated the effect of gasoline components on fuel economy, combustion and emissions in a GDI (gasoline-direct-injection) engine. The team subsequently followed up this first study with a second, exploring the effects in a PFI (port-fuel-injection) engine. —Han et al.

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Hyundai Motor Group unveils CVVD engine technology; +4% performance, +5% fuel economy, -12% emissions

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CVVD optimizes both engine performance and fuel efficiency while reducing emissions. The valve control technology regulates the duration of valve opening and closing according to driving conditions, achieving a 4% boost in performance and a 5% improvement in fuel efficiency. The technology cuts emissions by 12%.

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FEV testing finds Transient Plasma ignition system increases fuel efficiency and decreases emissions

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TPS) nanosecond pulsed power ignition system ( earlier post ) on the current Toyota 2.5-liter, liter, direct and port fueled injection, inline 4-cylinder gasoline engine commonly used in the Camry line of vehicles. Hundreds of millions of internal combustion engine vehicles are projected to be sold round the globe in the next decade.

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Cummins progressing with lightweight downsized T2B2 diesel for pickup; 40% improvement in fuel economy over gasoline V8

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At the US Department of Energy’s (DOE’s) Annual Merit Review meeting in Washington, DC last week, Michael Ruth from Cummins noted that the DOE program target for the project is a fuel economy (CAFE) target of 26 mpg (9.05 However, he added, the internal goal is “ significantly higher, ” and is targeting the GHG limit.

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Cummins ATLAS light-duty diesel surpasses fuel economy targets, with criteria emissions lower than Tier 2/Bin 2

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The Cummins team not only surpassed all fuel-economy targets, but also achieved criteria emissions lower than the stringent Tier 2/Bin 2 levels. liter engine with an aluminum block, head and oil pan, a magnesium valve cover and an engine-mounted emissions control system. Test cycle fuel economy (mpg).

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WEC report: EVs need 16% market share by 2020 for fuel economy standards to be met

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Electric vehicles (EVs) will need to increase their combined market share to 16% by 2020 for markets to achieve the aggressive fuel economy standards set by regulators, according to new research by the World Energy Council, the UN-accredited global energy body representing the entire energy spectrum.

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Volkswagen Taos SUV to use new version of the turbocharged EA211 engine that powers Jetta

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Volkswagen announced that the Taos compact SUV, which slots into the lineup below the Tiguan, will feature a new version of the EA211 turbocharged four-cylinder engine that currently powers the Jetta sedan. liters and offers a number of high-tech features designed to improve fuel economy. Taos teaser image.

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