sentence: Incomplete combustion occurs when the supply of air is limited.
sentences_before: Fuel reacts with oxygen and release energy. Complete combustion happens in a plentiful supply of air.
sentences_after: Complete combustion releases more energy than incomplete combustion. Incomplete combustion also creates carbon monoxide, and more soot. Several factors must be considered when choosing the best fuel for a particular purpose. Fuels are substances that react with oxygen to release useful energy. Most of the energy is released as heat, but light energy is also released.
concept_name: incomplete combustion
headings: Combustion
categories: Chemistry