probably carbon monoxide from incomplete combustion.
There isn't just one harmful gas that's emitted from an exhaust pipe - Hydro carbons (HC - are unburnt fuel particles that attack the atmosphere) Carbon Dioxide (Co) Carbon Monoxide (Co2) Oxides of Nitrogen (Nox) There is also - But not so harmful - Nitrogen (N2) and Oxygen (O2) Bearing in mind that the normal Atmosphere 'Air' is made from - 78% Nitrogen, 21% Oxygen 0.94% Argon and 0.06% of other 'trace' gasses like Carbon Dioxide and Sulphur Dioxide (SO2) etc
The three major forms of emitted radiation are alpha particles, beta particles, and gamma rays. Alpha particles are helium nuclei consisting of two protons and two neutrons, beta particles are high-energy electrons or positrons, and gamma rays are electromagnetic waves of high energy. Each form of radiation has different properties and levels of penetration.
Honda, Toyota, Nissan, Ford, Chevrolet, and many other major automobile manufacturers offer crossover vehicles. Crossovers are basically a combination of an SUV and a sedan.
Tennessee has major imports of automobile parts, clothing, and electronic devices like cell phones. Many of the people of Tennessee work in farming or automobile and truck manufacturing plants.
Croissant
Peugeot, a major French automobile producer, no longer sells vehicles in the USA or Canada as of 1991. Used Peugeots can now be found for sale in Mexico and the United Kingdom.
The best Place to start you search would be edmunds.com. This particular website will inform you of specifications of many types of vehicles from major automobile company's all over the world.
engine and transmission
moblilty
To get from point A to point B.
Major factor in suicide, automobile accidents, and crime
The three major sections of an automobile, in a simple description, would be the engine, the drive train, and the frame /body. keep in mind that a automobile is very complex and that those three sections are made up of hundreds if not thousand of parts.