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  2. Fuel dye - Wikipedia

    en.wikipedia.org/wiki/Fuel_dye

    On 14 July 2014, the European Commission announced it was referring the United Kingdom to the European Court of Justice over the use of red diesel in propelling private pleasure craft on water. It believed the UK was not properly applying EU regulations for the fiscal marking of fuels.

  3. Avgas - Wikipedia

    en.wikipedia.org/wiki/Avgas

    Avgas (aviation gasoline, also known as aviation spirit in the UK) is an aviation fuel used in aircraft with spark-ignited internal combustion engines. Avgas is distinguished from conventional gasoline (petrol) used in motor vehicles, which is termed mogas (motor gasoline) in an aviation context.

  4. List of Mountain Dew flavors and varieties - Wikipedia

    en.wikipedia.org/wiki/List_of_Mountain_Dew...

    List of Mountain Dew flavors and varieties. Mountain Dew, a citrus-flavored carbonated soft drink now owned by PepsiCo, has had numerous branded flavor variants since the original formula's creation in 1940. Notable variants include Diet Mountain Dew, Baja Blast, Code Red, LiveWire, Voltage, Major Melon, and Spark.

  5. Color of chemicals - Wikipedia

    en.wikipedia.org/wiki/Color_of_chemicals

    Color of chemicals. The color of chemicals is a physical property of chemicals that in most cases comes from the excitation of electrons due to an absorption of energy performed by the chemical. What is seen by the eye is not the color absorbed, but the complementary color from the removal of the absorbed wavelengths.

  6. Hydrogen sulfide - Wikipedia

    en.wikipedia.org/wiki/Hydrogen_sulfide

    Hydrogen sulfide is most commonly obtained by its separation from sour gas, which is natural gas with a high content of H 2 S. It can also be produced by treating hydrogen with molten elemental sulfur at about 450 °C.

  7. Smoke grenade - Wikipedia

    en.wikipedia.org/wiki/Smoke_grenade

    Colored signaling smoke grenades [4] are widely used in CASEVAC and close air support situations where quickly locating friendly ground forces is of paramount importance. Common colors are red, yellow, green and purple, and all use very brightly colored dyes to increase the likelihood of being spotted from above.

  8. Liquefied petroleum gas - Wikipedia

    en.wikipedia.org/wiki/Liquefied_petroleum_gas

    Liquefied petroleum gas, also referred to as liquid petroleum gas (LPG or LP gas), is a fuel gas which contains a flammable mixture of hydrocarbon gases, specifically propane, n-butane and isobutane. It can sometimes contain some propylene , butylene , and isobutene .

  9. Neon sign - Wikipedia

    en.wikipedia.org/wiki/Neon_sign

    "Neon" is used to denote the general type of lamp, but neon gas is only one of the types of tube gases principally used in commercial application. Pure neon gas is used to produce only about one-third of the colors (mostly shades of red and orange , and some warmer or more intense shades of pink ).

  10. Charoite - Wikipedia

    en.wikipedia.org/wiki/Charoite

    Sugilites and charoites can be confused, as both are purple, and sugilite can have black and white inclusions, however sugilite lacks the swirling pattern that are present in charoite stones, and it also lacks the chatoyant effect.

  11. British Gas - Wikipedia

    en.wikipedia.org/wiki/British_Gas

    British Gas (trading as Scottish Gas in Scotland) is an energy and home services provider in the United Kingdom. It is the trading name of British Gas Services Limited and British Gas New Heating Limited, both subsidiaries of Centrica.