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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.
In the United States, the emission standards for non-road diesel engines are published in the US Code of Federal Regulations, Title 40, Part 89 (40 CFR Part 89). Tier 1–3 Standards were adopted in 1994 and was phased in between 1996 and 2000 for engines over 37 kW (50 hp). In 1998 the regulation included engines under 37 kW and introduced ...
Gasoline distribution contracts in the United States generally have provisions that make offering E15 and E85 difficult, expensive, or even impossible. Such provisions include requirements that no E85 be sold under the gas station canopy, labeling requirements, minimum sales volumes, and exclusivity provisions.
The amount of ethanol used in the United States is also limited by the number of Flex Fuel vehicles available which are capable of operating on ethanol blends as high as 85% (E85) and the relative pricing of E85 as compared to regular gasoline (E10). Other alternative fuels may have higher functional "blend walls".
This type of gasoline is known in Portuguese as Gasolina Aditivada (English: "Additived Gasoline") – Petrobras stations brand it as "Petrobras Grid"; [30] nevertheless, the octane rating is also 93 RON (these additives are used to improve the performance and efficiency of the engine, but they are not indicative of a higher octane rating).
The most basic gasoline price data is not adjusted for other economic factors, including incomes, which have been rising over time. Fact-check: How high are gasoline prices today, really? Skip to ...
Gasoline prices are on a downward trend, with 11 states now averaging below $3 per gallon.The steady decline comes amid falling seasonal demand and use of less-expensive winter-grade gas.. Drivers ...
The national average for gas prices in the on Monday stood around $3.44, according to AAA. This figure is down about 9 cents from one week ago — marking the largest one-week drop recorded by the ...