Petroleum is a natural resource that comes from deep underground. It is a thick, black, and oily substance that is used to make many important things we use every day, like gasoline for cars, plastics, and even some medicines. Full definition
He said that the illegal stations encouraged diversion of petroleum products in the state because they are not supposed to lift products. (newsdiaryonline.com)
The higher the cost of this spill, the higher the cost of petroleum products for all of us. (globalclimatescam.com)
By contrast, a plateau implies a gradual decline in such additions, a pattern more consistent with how the world petroleum industry will work over the next several decades. (rstb.royalsocietypublishing.org)