What type of gas is emitted from a burning vehicle?

The emission of gas from a burning vehicle primarily includes carbon monoxide, which is produced through the incomplete combustion of hydrocarbons present in fuel, oils, and other materials within the vehicle. When there is insufficient oxygen for fuel to burn completely, carbon monoxide is generated and released into the environment. This colorless, odorless gas is particularly hazardous because it can quickly accumulate in enclosed or poorly ventilated areas, posing significant health risks such as headaches, dizziness, or even fatal poisoning at high concentrations.

While carbon dioxide is also produced during the combustion process, it is not the most concerning emission from a burning vehicle regarding immediate health hazards. Ozone can be formed in the atmosphere from other pollutants but is not emitted directly from a burning vehicle. Similarly, nitrogen oxides are produced from high-temperature combustion processes but are not the primary concern when a vehicle is on fire. Hence, the identification of carbon monoxide as the correct answer reflects the specific and critical nature of the emissions produced during vehicular fires.