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The importance of considering non-exhaust traffic emissions; the role of EVs

Green Car Congress

the criteria pollutants and CO 2 that emerge with the exhaust from the tailpipe. However, there is more than 15 years of research showing that the contribution of non-exhaust primary particles to the total traffic generated primary particles is significant in urban areas. Further, a 2013 review by Denier van der Gon et al. Background.

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Mazdas new SKYACTIV gasoline and diesel engines are steps on the road to its Ideal Engine; focus on compression ratio

Green Car Congress

However, while Mazda plans to offer hybrid vehicles in the medium-term, its engineers are pushing hard to increase the efficiencies of both the gasoline and diesel platforms, moving toward what they call “the ideal Internal Combustion Engine.” air-to-fuel ratio. combustion duration. combustion timing. pumping loss.

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Renault 2010 Environment Workshop, Part 1: Combustion Engine Technology and Product Plans

Green Car Congress

Renault held a “2010 Environment Workshop” last week to showcase its progress across its range of vehicles’ full lifecycle through the Renault eco² program. New TCe gasoline engine family. Scheduled for launch in 2012, it is expected to account for 85% of Renault’s gasoline engine sales in 2015. Variable swirl technology.

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

Green Car Congress

BPC is convening a diverse RFS advisory group to discuss opportunities for reform, hosting public workshops to solicit broad input, and ultimately publishing viable policy options based, in part, on the advisory group’s deliberations. the optimal air/fuel ratio for ethanol blends is lower than for pure gasoline. The ICCT ethanol paper.

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DOEs Upcoming Renamed DEER Conference Expands Technology Focus Beyond Diesel

Green Car Congress

Diesel technology remains the major focus of the conference, but DEER 2009 will now delve deeper into many other technologies, including gasoline engines, renewable and alternative fuels, homogenous charge compression ignition, and thermoelectrics for vehicle applications. Gurpreet Singh, Conference Chair.

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HEI report identifies potential health consequences from new vehicle fuels and technologies; recommended actions

Green Car Congress

—“The Future of Vehicle Fuels and Technologies” Among the findings of the report are: New gasoline direct injection (GDI) technology offers improvements in fuel economy. Use of manganese in gasoline and diesel is also continuing in some developing countries.

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National Academies release third review of the 21st Century Truck Partnership

Green Car Congress

Feedback from participants in the high-performance computing workshop should be matched against the current code development activities, and the adequacy of the current program should be assessed. If necessary, the next-generation code development should be adjusted.

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