Which of the following statements about the use of alkane fuels in internal combustion engines is correct?
- A$\text{C}_8\text{H}_{18}$ is used as fuel in internal combustion engines and reacts with oxygen and nitrogen from the air.
- BIn limited oxygen, CO is produced which oxidises $\text{SO}_2$ to $\text{SO}_3$ in the atmosphere.
- CThe catalytic converter removes polluting gases including $\text{NO}_2$ and $\text{CO}_2$.
- DUnburnt hydrocarbons and $\text{NO}_2$ can react in sunlight to produce photochemical smog.