What is the smell on buses?

What is the smell on buses? 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.

Why do buses rattle so much?

Besides road debris, much of the noise you hear inside a bus is rattling from the metal panels that vibrate and shake as you drive along. To reduce this clanging, you can deaden the metal, which will reduce the vibrations - and you can't have structural sound without vibrations.

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.

Why are busses so loud?

Cars measure around 70-80 dB, while busses can reach as high as 80-95 dB. The source of this noise pollution comes from three sources, including the tires, how air comes into contact with the vehicle and the power transfer system, which includes the engine, exhaust system and air blower.

Do buses emit carbon monoxide?

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.

Is it safer to be in a bus?

According to several studies, the rate of death is lower for travel on public transport than that in cars. For example, in the USA, fatality rate for car occupants were found to be 23 times higher than those for bus occupants, per 100 million person-trips [³].

Are you safer in a bus or car?

But how safe is a bus? According to the National Safety Council public transportation is 10 times safer than other vehicle travel. The NSC study found that people who used buses or trains 40 times per year were 20 times less likely to be injured in a crash. Buses are safer than most modes of transportation.

Why do buses smell weird?

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.