Self-driving cars are going to be fitted with a whole lot of sensors, chips, and other electronics, so it makes sense to check that all of this works in extreme environments.
That’s why Waymo sent its self-driving Chrysler Pacifica minivans to California’s Death Valley this summer, which has the highest recorded temperature in the world, at 134F.
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Waymo had already conducted “extensive tests” in an aerothermal wind tunnel prior to the trip, which is able to mimic extreme heat and cold

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