Which of the following substances is expelled into the atmosphere through the exhaust gases of motor vehicles?

Question

DentroTest · Accepted Answer

Heat engines expel into the atmosphere various gases and particles derived from the combustion of the fuel. Among them stands out carbon dioxide (CO2), a greenhouse gas, along with other pollutants such as carbon monoxide (CO), nitrogen oxides (NOx) and sulfur dioxide (SO2). Natural gas (composed mainly of methane) is a fuel used to power certain engines and not a usual waste product expelled through the exhaust pipe.

Which of the following substances is expelled into the atmosphere through the exhaust gases of motor vehicles?

Want to pass the Permit C and C1 (English) theory test first time?