Written by the Fiveable Content Team โข Last updated August 2025
Verified for the 2026 exam
Verified for the 2026 examโขWritten by the Fiveable Content Team โข Last updated August 2025
Definition
Diesel exhaust refers to the mixture of gases and fine particles emitted from diesel engines during combustion. It contains harmful pollutants such as nitrogen oxides (NOx), particulate matter (PM), and volatile organic compounds (VOCs).