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SAE releases technical white paper on two new low-GWP refrigerants; alternates to R-1234yf

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They are both zeotropic mixtures, meaning that they exhibit a difference in compositions between liquid and vapor at equilibrium, and undergo a temperature change—often referred to as temperature glide—during evaporation or condensation.

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The LEO Satellite Industry Needs More Engineers

Cars That Think

Although the market is growing, the number of engineers and technologists who understand the complicated systems is not. The IEEE Fellow is a professor of electrical and computer engineering at the University of Manitoba , Canada, and past vice president of IEEE Educational Activities. “We

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Yu Yuan on Building A Persistent Virtual World

Cars That Think

To spur progress in the advancement of those technologies, the IEEE Standards Association has launched the Persistent Computing for Metaverse initiative. Today’s technology is a long way from making that possible, says Yu Yuan , president of the IEEE Standards Association. His answers have been edited for clarity.

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ICCT: New RDE regulations not enough to control diesel car NOx fully; additional actions required

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Real-world NO x emissions from new diesel cars could still exceed the Euro 6 emission limit of 80 mg/km by a factor of three or more, even after the new Real-Driving Emissions (RDE) regulation takes effect, according to a new white paper released by the International Council on Clean Transportation (ICCT). times the Euro 6 limit.

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