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SwRI and USTA researchers to develop a novel catalyst for low-temperature SCR

Green Car Congress

Southwest Research Institute (SwRI) and The University of Texas at San Antonio (UTSA) announced funding for a new joint research projects to advance clean emission technologies. Future fuel economy standards will result in lower exhaust gas temperatures and limit the use of high-temperature SCR.

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Upcoming Mazda2 will offer new SKYACTIV 1.5-liter diesel

Green Car Congress

Mazda suggests that the set of technologies will help the all-new Mazda achieve among the highest level test mode (JC08) fuel economy figures for a vehicle powered solely by combustion engine in registered vehicles excluding hybrid and micro-mini vehicles in Japan, as well as improved practical fuel economy.

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Mazda introduces HAZUMI concept along with new 1.5-liter SKYACTIV-D diesel

Green Car Congress

The advent of stricter emissions regulations leads to a delay in combustion until after TDC (with a lower cylinder pressure and temperature), although this causes fuel economy to worsen. The result is cleaner combustion with low NO x and soot emissions. The SKYACTIV diesels feature a low compression ratio of 14.0:1

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