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The amount of sulfur in diesel fuel is directly linked to the amount of pollution produced when the fuel is burned in an engine. Higher levels of sulfur increase pollutants.

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What does aP3mask protect against

This air pollution can cause heart and lung disease and a range of other health effects.  It can also damage plants, animals, crops, and water resources.

When diesel fuel is burned in engines, the emissions that result contributes to air pollution that has serious human health and environmental effects.

EPA defines fuel additives as products formulated to enhance the quality and efficiency of fuels. EPA regulates additives because they impact emissions. The list below provides the current diesel fuel additives currently registered with EPA.