Which of the following fuel additives may be used in marine engines to lower the emission of sulfur dioxide gases?
A
Calcium
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B
Magnesium carboxylate
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C
Copper
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D
Both A and B
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Solution
The correct option is D Both A and B Fuel additives such as calcium additives and magnesium carboxylate may be used in marine engines to lower the emission of sulfur dioxide gases into the atmosphere.