Why do buses smoke?
Why do buses smoke? Black smoke is unburned fuel. In older vehicles that can be due to intake air piping with leaks, turbocharger malfunctions, anything that prevents the correct amount of air getting in. Sometimes, people will modify their fuel delivery to produce more power and mileage, but at times it will blow black smoke.
What are the fumes from bus exhaust?
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.
Is breathing in bus exhaust bad?
Children, in particular, are at risk from diesel exhaust fumes. Of biggest concern are the ultrafine particles called microparticles that can go deep within the lungs or even enter the bloodstream, Stroebel said. They can trigger asthma and other respiratory responses as well as cancer and other diseases over time.