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Ethanol and Octane For Beginners

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Ethanol and Octane For Beginners

In terms of its octane rating, ethanol has a rating of 113. As mentioned above, fuels with a higher octane rating reduce engine knocking and perform better. Also, almost all gasoline in the US contains 10 percent ethanol. When you mix 10 percent 113 octane ethanol with 85 octane gasoline it increases the octane two points to the normal 87 octane most consumers use. So the higher the ethanol content, the higher the octane. The octane rating for E15 (15% ethanol) is 88 octane and E85 (85% ethanol) is 108 octane.

 

US Crude Oil Pipelines

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This map shows major crude oil pipelines in the United States. Layer includes interstate trunk lines and selected intrastate lines but excludes gathering lines. Based on publicly available data from a variety of sources with varying scales and levels of accuracy. From the US Energy Information Agency. https://www.eia.gov/maps/layer_info-m.php

NPR

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Why The World Is Still Pumping So Much Oil Even As Demand Drops Away : NPR

With the global economy in a pandemic-induced coma, the world just doesn't need a lot of oil.

But oil is still flowing out of wells, and with nowhere else to go, it's filling up the world's storage tanks. The oversupply is so intense that this week U.S. oil prices briefly went negative.

But why is that oil still flowing, anyway? Why don't producers turn off the spigot when demand falls?

The short answer is that production is decreasing — just not fast enough.

U.S. crude oil futures for May plummet to minus $37 — lowest price in history

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U.S. crude oil futures for May plummet to minus $37 — lowest price in history

U.S. crude oil prices dropped by almost 300 percent to turn negative for the first time as plunging demand pushed storage facilities to their limits.

May delivery for the U.S. benchmark crude, West Texas Intermediate, sank to a new low of minus $37.63 a barrel by the close of the oil market Monday, a staggering level that essentially means producers would be paying buyers to take oil off their hands.