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  2. NOx - Wikipedia

    en.wikipedia.org/wiki/NOx

    Nitrogen oxides are released during manufacturing of nitrogen fertilizers. Though nitrous oxide is emitted during its application, it is then reacted in atmosphere to form nitrogen oxides. This third source is attributed to the reaction of atmospheric nitrogen, N 2, with radicals such as C, CH, and CH 2 fragments derived from fuel, [26] rather ...

  3. Environmental impact of shipping - Wikipedia

    en.wikipedia.org/wiki/Environmental_impact_of...

    The environmental impact of shipping include air pollution, water pollution, acoustic, and oil pollution. [1] Ships are responsible for more than 18% of nitrogen oxides pollution, [2] and 3% of greenhouse gas emissions.

  4. Exhaust gas - Wikipedia

    en.wikipedia.org/wiki/Exhaust_gas

    When oxides of nitrogen (NOx) and volatile organic compounds (VOCs) react in the presence of sunlight, ground level ozone is formed, a primary ingredient in smog. A 2005 U.S. EPA report gives road vehicles as the second largest source of VOCs in the U.S. at 26% and 19% are from non road equipment which is mostly gasoline and diesel stations.

  5. List of locations and entities by greenhouse gas emissions

    en.wikipedia.org/wiki/List_of_locations_and...

    Sources of anthropogenic production are in the majority: natural gas, petroleum, and coal mining: [29] the United States produced the most recent emissions from oil and gas sources at least prior to April 2023. [30] livestock [31] production systems; [32] manure and enteric fermentation, [31] waste deposit sites: landfills [29] waste water [33]

  6. Nitrogen cycle - Wikipedia

    en.wikipedia.org/wiki/Nitrogen_cycle

    There are multiple sources of atmospheric reactive nitrogen (Nr) fluxes. Agricultural sources of reactive nitrogen can produce atmospheric emission of ammonia (NH 3), nitrogen oxides (NO x) and nitrous oxide (N 2 O). Combustion processes in energy production, transportation, and industry can also form new reactive nitrogen via the emission of NO

  7. Heavy fuel oil - Wikipedia

    en.wikipedia.org/wiki/Heavy_fuel_oil

    Also known as bunker fuel, or residual fuel oil, HFO is the result or remnant from the distillation and cracking process of petroleum. For this reason, HFO contains several different compounds that include aromatics, sulfur, and nitrogen, making emissions upon combustion more polluting compared to other fuel oils. [1]

  8. Flash-gas (petroleum) - Wikipedia

    en.wikipedia.org/wiki/Flash-gas_(petroleum)

    Oil and natural gas production is known as a stationary source and is therefore required by the Clean Air Act to follow guidelines put forth by NESHAP, New Source Performance Standards (NSPS), and Control Techniques Guidelines to reduce the amount of emissions the industry produces. [16]

  9. Health and environmental impact of the petroleum industry

    en.wikipedia.org/wiki/Health_and_environmental...

    These sources are said to have much lower emissions, and almost minimal secondary by products. The production of renewable energy is projected to grow in nearly every region in the World. [78] Natural gas is also seen as a potential alternative to oil. Natural gas is much cleaner than oil in terms of emissions. [79]