On Monday, Tesla Motors released the results of its tests of the Model X's air-filtering system, which demonstrated its efficacy.
Tesla placed a Model X inside a bubble filled with "extreme levels of pollution" at 1,000 µg/m3 of PM2.5, which the Environmental Protection Agency describes as the kind of pollution that "pose[s] the greatest health risks." For comparison, PM2.5 levels in Beijing can hit 300 µg/m3.
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In less than two minutes, the HEPA filtration system was able to reduce the level of contamination from "extremely dangerous" to "undetectable."
Source: Tesla Motors
Tesla added that after the filtration system cleaned the air inside of the vehicle, it began to filter the air outside of the car.
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In its statement, Tesla said that while the test was conducted with a Model X, the electric automaker expects similar results from the Model S currently in production.
Tesla CEO Elon Musk tweeted Monday that he credits Alphabet CEO Larry Page with informing him about the health benefits of air filtration systems.