# C1a - burning fuels and cleaner fuels

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• When fuels burn they all produce carbon dioxide and water. Carbon dioxide is a greenhouse gas and it causes global warming. As well as producing these hydrocarbons they produce other substances as well. These include sulphur dioxide, nitrous oxide, carbon dioxide and carbon monoxide.
• Sulphur dioxide is a poisinous gas which causes acid rain and engone corrosion.
• Changing the conditions in which we burn fuels may change the products that are made. When there is not enough oxygen there is incomplete combustion, instead of getting carbon dioxide we get carbon monoxide.
• Carbon monoxide…