These exhaust emissions contain pollutants like carbon monoxide, nitrogen oxides, and particulate matter, which can cause health issues ranging from minor respiratory problems to severe conditions such as heart disease and cancer.
People Also Ask
Diesel engines, which are commonly used in trains and buses, release a combination of gases and particulates into the air. These emissions include nitrogen oxides (NOx), sulfur dioxide (SO2), and particulate matter (PM), which can produce a strong, acrid smell.
In fact, propane-burning school buses emit more carbon monoxide than diesel-burning school buses and just as many greenhouse gases — the only benefit of propane-burning buses over diesel are for nitrogen oxide emissions, AFLEET data demonstrates.