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Both Rotella T4 15W-40 conventional and, Rotella T6 5W-40 and 15w-40 Synthetic both list the JASO MA/MA 2 standard; this information can be found on the bottle adjacent to the SAE/API rating stamp. JASO is an acronym that stands for Japanese Automotive Standards Organization. Note that the 10W-30 conventional oil does not list JASO-MA.
So periodic oil and filter changes should still be done with synthetic oil, but some synthetic oil suppliers suggest that the intervals between oil changes can be longer, sometimes as long as 16,000–24,000 kilometres (9,900–14,900 mi) primarily due to reduced degradation by oxidation.
Thirty-one U.S. states now have average gas prices below $3 a gallon. U.S. oil price levels of $70 or less “are great for consumers,” said AAA spokesman Andrew Gross. Crude oil makes up about ...
Using benchmarks makes referencing types of oil easier for sellers and buyers. There is always a spread between WTI, Brent and other blends due to the relative volatility (high API gravity is more valuable), sweetness/sourness (low sulfur is more valuable) and transportation cost. This is the price that controls world oil market price.
Gas prices within the last 10 years highlight how volatile the market can be. When looking at historical data, gas prices were the same in 2011 as they were in 2023 — $3.52 per gallon.
Global annual crude oil production (including shale oil, oil sands, lease condensate and gas plant condensate but excluding liquid fuels from other sources such as natural gas liquids, biomass and derivatives of coal and natural gas) increased from 75.86 million barrels (12.1 million cubic metres) in 2008 to 83.16 million bbl (13.2 million m 3 ...
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