five people in car
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How Fast Did CO₂ Rise With Five People in Our Car? Our Recirculation Test
Our team measured cabin CO₂ with five people in a car and recirculation on. Starting near 558 ppm, the reading passed 1,500 ppm in…

Our team measured cabin CO₂ with five people in a car and recirculation on. Starting near 558 ppm, the reading passed 1,500 ppm in…