Volkswagen's US sales fell another 5% in February

On March 3, Volkswagen announced that in February this year, its sales in the United States market fell by 5% year-on-year. This means that there has been a break in the four consecutive months of year-on-year growth. Jetta (the new car corresponds to China Sagitar), Tiguan and Passat, suc

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Experts question ethanol fuel cleanliness

The previously advertised use of ethanol fuel can reduce carbon dioxide emissions and miss the carbon dioxide produced in ethanol production. Bioethanol fuels are not clean if the carbon dioxide emissions of the entire process of production and use are comprehensively calculated. This is a new viewp

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Sigfox is launching its first global internet of things

Sigfox introduced the first big data service based on radio signal strength analysis and deep learning technology Unlike traditional IoT geolocation services, Spot'it does not require any additional hardware, software or energy, making it the easiest and lowest cost IoT location service on th

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·The car recalled 10 million vehicles

Looking back on the past 2016, while the production and sales of the Chinese auto market exceeded 28 million units, the recall volume also exceeded 10 million for the first time. With such a large amount of recall and growth rate, what is the nature of the recall? Is it a fig leaf that covers the r

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Research on the Control Equipment of Piston Ring CNC Lathe

According to the free-form forming process of the piston ring, it can be seen that the piston ring turning requires the numerical control system to have the general control function, and should also meet the following functional requirements: strong real-time response capability. Piston ring tur

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