Even in normal weather, it is possible for vehicles to become harder to see if they pass from sunlight to shade, or pass through a cloud of smoke or dust. And in low light, or in high-contrast lighting, things can quickly get more extreme.

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Even in normal weather, it is possible for vehicles to become harder to see if they pass from sunlight to shade, or pass through a cloud of smoke or dust. And in low light, or in high-contrast lighting, things can quickly get more extreme.