Many U.S. oil refiners rely heavily on imported crude because their facilities are configured to run heavier grades, such as those coming in from Mexico and Canada.

The blending problem presented in the introduction is a good example for demonstrating some of the features of the LP procedure. Recall that a step in refining crude oil into finished oil products ...

For example the formula of ethane is C 2 H 6. The ratio of C:H atoms is 2:6. The empirical formula of an alkane is based on the simplest ratio of carbon to hydrogen atoms: the simplest form of the ...

Tomatoes, T-shirts and cars are among the vast array of goods that could become pricier with new tariffs imposed by President ...

PORTLAND, Ore. (KTVZ) – The price of crude oil jumped to $80 a barrel last week, and that’s pushing pump prices higher in 45 states, including Oregon, AAA Oregon/Idaho reported Tuesday.

Domestic US oil from the Bakken formation, Rocky Mountains and the Marcellus and Utica shale basins were examples Hessling gave of alternative crude supplies the company could use at its six ...

Crude oil prices fall or rise depending on macroeconomic events including the state of the global economy and the politics of production.

Refiners are awaiting clarity and preparing for U.S. President Donald Trump's threatened tariffs on crude imports from Canada and Mexico. Trump said on Friday that he would lower threatened tariffs on ...