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  2. List of U.S. states by standard octane ratings - Wikipedia

    en.wikipedia.org/wiki/List_of_U.S._states_by...

    Most states do not mandate certain standard gasoline grade octane ratings.In the United States and Canada, octane ratings are in AKI, commonly shown as "(R+M)/2".All states require gas pumps to be labeled with the correct octane level and nearly all states do regular testing to make sure gas stations are in compliance.

  3. Rationing in the United States - Wikipedia

    en.wikipedia.org/wiki/Rationing_in_the_United_States

    ODT-imposed rationing of gasoline to civilians caused car owners to drive less, thus extending tire life and conserving fuel to maximize the oil and rubber available for military use. [ 18 ] In January 1942 there was a study published by the Public Roads Administration that discovered that driving 35 mph (56 km/h) helped tires last four times ...

  4. Air–fuel ratio - Wikipedia

    en.wikipedia.org/wiki/Air–fuel_ratio

    Air–fuel ratio (AFR) is the mass ratio of air to a solid, liquid, or gaseous fuel present in a combustion process. The combustion may take place in a controlled manner such as in an internal combustion engine or industrial furnace, or may result in an explosion (e.g., a dust explosion).

  5. From grain to gasoline: a brief world history of rationing

    www.aol.com/news/grain-gasoline-brief-world...

    Through war, siege and social strife, rich and poor countries across the world have had a long and often painful history of rationing anything from food to fuel and water, sometimes with ...

  6. Rationing - Wikipedia

    en.wikipedia.org/wiki/Rationing

    United States gasoline ration stamps printed, but not used, during the 1973 oil crisis. Short-term rationing for gas and other fuels was introduced in the U.S. states of New Jersey and New York following Hurricane Sandy in 2012. [42] In April 2019, Venezuela announced a 30-day electricity rationing regime in the face of power shortages. [43] [44]

  7. Gasoline - Wikipedia

    en.wikipedia.org/wiki/Gasoline

    Gasoline can be released into the Earth's environment as an uncombusted liquid fuel, as a flammable liquid, or as a vapor by way of leakages occurring during its production, handling, transport and delivery. [82] Gasoline contains known carcinogens, [83] [84] [85] and gasoline exhaust is a health risk. [74]

  8. Lean-burn - Wikipedia

    en.wikipedia.org/wiki/Lean-burn

    Lean-burn gas engines are almost always turbocharged, resulting in high power and torque figures not achievable with stoichiometric engines due to high combustion temperatures. Heavy duty gas engines may employ precombustion chambers in the cylinder head. A lean gas and air mixture is first highly compressed in the main chamber by the piston.

  9. The goal of California’s anti-gouging law is cheaper gas. But ...

    www.aol.com/goal-california-anti-gouging-law...

    Now, if greater oversight of the gas industry results in fewer refiners and shortages, and the shuttering of fuel stations and rationing, Newsom will be blamed by California motorists. The new ...