sentence: Ammonia is used as a fuel, as a fertilizer for crops, and for making many other things.
sentences_before: Natural gas is also converted into many different industrial chemicals. It is the most common feedstock for making pure hydrogen. Hydrogen is used as fuel in fuel cells, and to make ammonia.
sentences_after: Natural gas is also converted into monomers to make many plastic products.
concept_name: Ammonia
headings: Natural gas
categories: Fuel