car ventilation
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Does CO₂ Inside a Car Come From Gasoline Combustion? Our Real-World Test
Does the CO₂ measured inside a car come directly from gasoline combustion? In our real-world driving test, EVO-CO2V measured 494 ppm CO₂ and 14.5…
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CO₂, Formaldehyde and TVOC in a Car: What We Measured in Three Real-World Tests
Our team compared CO₂, formaldehyde and TVOC readings across three real car-cabin conditions. The results showed that these measurements can behave very differently, including…
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Can a Car Air Purifier Reduce CO₂? Our Real Cabin Test
Our team ran a car air purifier inside a vehicle while monitoring cabin CO₂. During the real-world test, CO₂ still rose from about 735…
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Can a Car Air Freshener Reduce CO₂? Our Real Cabin Test
Our team tested whether a hanging car air freshener could noticeably affect cabin CO₂. During our real-world test, the reading still rose from about…
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Can Wearing Masks Reduce CO₂ Buildup in a Car? Our Real Test
Our team tested two people wearing masks inside a car to see whether masks would reduce cabin CO₂ buildup. During the real-world test, CO₂…
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Drinking Carbonated Soda vs Breathing Elevated CO₂: What’s the Difference?
We often hear the same question: if carbonated drinks contain CO₂, why should we care about elevated CO₂ in a car? The answer is…
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Can Plants Reduce CO₂ Inside a Car? Our Real Cabin Test
Our team placed several potted green plants inside a car to see whether they could noticeably limit cabin CO₂ buildup. During our real-world test,…
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Can Water Reduce CO₂ Inside a Car? Our Real Cabin Test
We placed a large open container of water inside a car to test whether ordinary water could noticeably limit cabin CO₂ buildup. In our…
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How Different Is CO₂ Inside and Outside a Car? Our Real 1,500 vs 450 ppm Test
Our team measured about 1,500 ppm CO₂ inside a car and about 450 ppm in the outside air beside the same vehicle, a difference…