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Why should I be concerned about carbon monoxide (CO), hydrocarbons (HC) and oxides of nitrogen (NOx)?

April 26, 2017carbon concerned HC hydrocarbons monoxide nitrogen nox oxides

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Why should I be concerned about carbon monoxide (CO), hydrocarbons (HC) and oxides of nitrogen (NOx)?

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CO is a toxic gas that is colourless and odourless. HC and NOx emissions are invisible pollutants that combine with sunshine to form ground-level ozone (the main ingredient in “smog”), which is harmful to our health and the environment.