"But the emotion can't be sustained when there's a lot of extra oil around and no further action."

It's the only nation which can produce extra oil.

The other five were foolish and carried no extra oil with them.

Where are they putting the extra oil that you have found?

Meanwhile, there is very little extra oil to put on the market to damp prices.

Add some extra oil if necessary and cook 10 minutes.

The latter two compounds are only present in extra virgin oil.

There should be no need to add extra oil at any stage.

Some ministers suggested there was no need to put extra oil on the market.

The extra oil on the market would help drive prices down.