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Compounds composed of hydrogen and carbon, emitted by vehicles as unburned fuel, contributing to air pollution.
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Colorless, odorless gas produced by the combustion of fossil fuels, contributing to climate change.
Colorless, odorless gas produced by incomplete combustion, posing health risks to humans.
Vehicle that produces excessive emissions, contributing significantly to air pollution.
a synthetic urea solution used to reduce nitrogen oxide emissions
Device that reduces toxic emissions in exhaust gases
A component that filters fuel vapors to reduce emissions
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