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Whether a higher octane fuel improves or impairs an engine's performance depends on the design of the engine. In broad terms, fuels with a higher octane rating are used in higher-compression gasoline engines, which may yield higher power for these engines. The added power in such cases comes from the way the engine is designed to compress the ...
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. A minimum 82 octane fuel is recommended for most vehicles produced since 1984.
2018 - Bharat Stage VI fuel norms from 1 April 2018 in Delhi instead of 2020. [17] 2020 – Bharat Stage VI fuel norms from 1 April 2020 nationwide switching India to world's cleanest diesel and petrol. [18] 2023 - Bharat Stage VI Second Phase Fuel norms from 1 April 2023 have only Petrol also called RDE norms with e20 fuels.
High percentage ethanol mixtures are used in some racing engine applications as the very high octane rating of ethanol is compatible with very high compression ratios. Ethanol fuel mixtures have "E" numbers which describe the percentage of ethanol fuel in the mixture by volume, for example, E85 is 85% anhydrous ethanol and 15% gasoline. Low ...
Two other flex-fuel motorcycles manufactured by Honda were launched in October 2010 and January 2011. [27] During 2011 a total of 956,117 flex-fuel motorcycles were produced, raising its market share to 56.7%. [28] Cumulative production of the four available flex fuel models since 2009 reached 1.48 million units in December 2011. [26] [29] and ...
The largest component of the average price of $2.80/gallon of regular grade gasoline in the United States from 2012 through 2021, representing 54.8% of the price of gas, was the price of crude oil. The second largest component during the same period was taxes—federal and state taxes representing 17% of the price of gas.
LPG was popular in Australia, because it was less than half the price of petrol in urban areas (approx A$0.59-0.75 per litre, as opposed to A$1.10-1.35 per litre for unleaded fuel and A$1.15-1.30 per litre for diesel, in February 2010), and it is locally produced.
At present, vehicles in India use up to 10% ethanol-blended fuel. If approved by the government it will cut monthly fuel costs by 10%. In 2021, ethanol costs Rs 60 a litre, while the price of methanol has been estimated at less than Rs 25 a litre. [citation needed]