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A Bamboo Carbon Filter for Diesels Could Reduce Emissions

Cars That Think

Although the pollutant emissions of a diesel engine are less than those of a gasoline one, it still emits carcinogens, nitrous oxides, and soot. A carbon-based particulate filter Diesel engines produce more polluting particulate matter than gas engines. Older models don’t even have the emission-control features that newer ones do.

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U.K. Startup’s Digital Dyeing Printers Save Energy, Water

Cars That Think

He had created Xennia Technology as well, whose inkjet technologies revolutionized other highly polluting processes, such as the surface treatment for ceramic tiles. Miles of fabrics are immersed in gigantic “washing machines” full of dye and water. Alchemie’s machines dye cotton using 95 percent less water and 70 percent less energy.

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