which gases are emitted from vehicles?
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['Particulate matter (PM). One type of particulate matter is the soot seen in vehicle exhaust. ... ', 'Volatile Organic Compounds (VOCs). ... ', 'Nitrogen oxides (NOx). ... ', 'Carbon monoxide (CO). ... ', 'Sulfur dioxide (SO2). ... ', 'Greenhouse gases.']
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This kind of visible air pollution is composed of nitrogen oxides, sulphur oxides, ozone, smoke and other particulates. Man-made smog is derived from coal combustion emissions, vehicular emissions, industrial emissions, forest and agricultural fires and photochemical reactions of these emissions.
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In terms of overall range and extents of impacts, however, it is my opinion that burning of fossil fuels (coal, gasoline, etc..) is the single largest source of air pollutants. These fuels cause smog, acid rain, soot and particulates increases, greenhouse gas emissions, and dispersal of some heavy metal contaminants.
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Carbon monoxide is produced when fuels such as gas, oil, coal and wood do not burn fully. Burning charcoal, running cars and the smoke from cigarettes also produce carbon monoxide gas.
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When it burns, it turns into lots of carbon dioxide gas. Gasoline is mostly carbon by weight, so a gallon of gas might release 5 to 6 pounds (2.5 kg) of carbon into the atmosphere. The U.S. is releasing roughly 2 billion pounds of carbon into the atmosphere each day.
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Gasoline use contributes to air pollution The vapors given off when gasoline evaporates and the substances produced when gasoline is burned (carbon monoxide, nitrogen oxides, particulate matter, and unburned hydrocarbons) contribute to air pollution. Burning gasoline also produces carbon dioxide, a greenhouse gas.
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Harmful gases like carbon monoxide damage the air. Since hybrid cars use the electric motor more, they burn less fuel. This causes fewer emissions. It uses electricity: Since hybrid cars partially depend on electricity to run the vehicle, the use of gas is lowered.
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Air pollution is a mixture of solid particles and gases in the air. Car emissions, chemicals from factories, dust, pollen and mold spores may be suspended as particles. Ozone, a gas, is a major part of air pollution in cities. When ozone forms air pollution, it's also called smog. Some air pollutants are poisonous.
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The so called "variable gases" are those present in small and variable amounts. These include carbon dioxide, methane, ozone, water vapor, and particulates among others. Even though they represent a tiny portion of the atmosphere as a whole, they exert a great control over our environment.
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An idling vehicle releases harmful chemicals, gases and particle pollution ("soot") into the air, contributing to ozone, regional haze, and global climate change. Every gallon of gas burned produces more than 20 pounds of greenhouse gases. Idling is unhealthy for you and me!
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['Water vapor.', 'Carbon dioxide.', 'Methane.', 'Ozone.', 'Nitrous oxide.', 'Chlorofluorocarbons.']
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The major primary pollutants are Oxides of Sulphur, Oxides of Nitrogen, Oxides of Carbon, Particulate Matter, Methane, Ammonia, Chlorofluorocarbons, Toxic metals etc. The secondary pollutants are not emitted directly.
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A complex mixture of fine particles and gases, diesel exhaust contains both unburned diesel fuel and particulates (soot). The primary dangerous substances found in diesel exhaust include particulate matter, carbon monoxide, nitrogen oxides, hydrocarbons, volatile organic compounds, and other hazardous gases.
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A gas leak can cause an explosion or fire if the vapors or gasoline come into contact with a heat source. This heat source can be something simple as a small spark or a hot surface. If this happens, the gas may ignite putting the passengers of the vehicle and other objects around the car in danger.
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['Carbon (soot)', 'Carbon monoxide.', 'Carbon dioxide.', 'Oxygen.', 'Water vapour.', 'Nitrogen.', 'Oxides of nitrogen (e.g., nitrogen oxide, nitrogen dioxide)', 'Oxides of sulphur (e.g., sulphur dioxide)']
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1 Expert Answer As a result, these gases cause pollution because they dirty up the atmosphere. Carbon dioxide is a main greenhouse gas, found in car exhaust pipes. Methane and nitrous oxide is another type of greenhouse gas. ... Therefore, the only gas that is not a greenhouse gas is (c) oxygen.
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The largest source of greenhouse gas emissions from human activities in the United States is from burning fossil fuels for electricity, heat, and transportation. ... Greenhouse gas emissions from transportation primarily come from burning fossil fuel for our cars, trucks, ships, trains, and planes.