The data in this category is sourced from the Energy Star website. This gives CO2 emissions for US appliances that have achieved the Energy Star standard.

There are two drill-downs to be specified in this category: brand and model. The user can then specify a quantity of items as a profile item value. This value defaults to 1 if none is entered by the user.

Algorithm

CO2 = Energy usage of appliance per year * US electricity emission factor * quantity


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