An international study that was published on Monday, July 17 in the journal Scientific Reports showed that modern diesel cars release fewer carbonaceous particulate matter (PM) into the air than vehicles which use gasoline engines. The study, which was conducted by researchers in Norway and Switzerland with the help from colleagues in France, Italy, and the United States, compared the carbonaceous PM emitted by vehicles that are powered by diesel engine with the carbonaceous PM released by gasoline-powered cars.
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