It describes how a hunter can use both barrels of a shotgun to bring down two birds very quickly.

VOA: special.2010.07.25

More than eighty thousand barrels of crude oil from the spill severely damaged over sixty kilometers of coastline.

VOA: special.2010.04.21

Their efforts saved millions of barrels of oil.

VOA: special.2009.03.22

That could happen later this month. The government now thinks close to five million barrels of oil leaked into the gulf between April and the middle of July, when the spill was contained.

VOA: special.2010.08.07

"I do not know the volume. The volume is uncertain. There is a large uncertainty range around the 5000 barrels.

VOA: standard.2010.05.02

Scientists estimate that between 950,000 and 2.5 million barrels of oil have already spilled in the Gulf .

VOA: standard.2010.06.14

But three of the four vents remain open,still spewing thousands of barrels of oil to the surface.

VOA: standard.2010.06.08

The Coast Guard says the cap now allows the collection of about 15,000 barrels a day - an increase of about 4,000 barrels from Monday.

VOA: standard.2010.06.08

"Cuba receives more than 100,000 barrels of Venezuelan oil per day without paying anything.

VOA: standard.2010.08.06

"In just a few years, we will be producing five million barrels a day.

VOA: standard.2010.08.06

But China also consumes more than 7.5 million barrels of oil each day.

VOA: standard.2010.06.29

Cowgirls in colorful outfits race on horseback around barrels placed throughout the arena.

VOA: standard.2010.01.25

"There are billions of barrels of oil in the Outer Continental Shelf,".

VOA: standard.2009.05.23

The BP oil company, which provided the video, says it has been siphoning about 2000 barrels of oil a day using a narrow tube inserted in the well.

VOA: standard.2010.05.18

The president told reporters the cap and other devices are expected to capture as much as 80,000 barrels of oil a day, until a relief well is completed.

VOA: standard.2010.07.16

But,as tens of thousands of barrels of oil continue to flow daily into the Gulf of Mexico, killing wildlife, damaging the environment and ruining livelihoods, the company is suffering as well.

VOA: standard.2010.06.18

Then six million barrels a day."

VOA: standard.2010.08.06