In large tanks that have been filled up by an oil tanker or by pipeline depending on the distance that the oil was drilled from; from shore.
Crude Oil.
If you mean refined, then it's crude oil
It is knowen as Crude oil before it has been refined... Once it's been refined it can then be called gasoline, petrol, diesel and just "Oil"
Crude oil. and this comes in different grades.
Refined .A bit more:Refined could apply to oil and people. Crude oil is oil as it is pumped from the ground, before it's refined and made into gasoline, etc. Crude people are those who are not "refined", as in lacking a certain type of class.
refined.............
if its vegetable oil probably refined Try crude petroleum oil.
Crude Oil.
No car runs on crude oil. This is the oil that comes out of the ground. It must be refined into gasoline or diesel, at the refinery before it can be sold.
refined oil(gasoline)
Crude Oil is hydrocarbon and it is mixture of carbon and hydrogen.
Usually by getting refined a bit, then getting burned in boilers to create steam, which then is used to spin turbines, which then power generators, which create electricity.