They are also a good way to test if a local market for oil exists.

VOA: special.2009.09.29

But falling demand, including reduced demand for oil, has cut trade around the world.

VOA: special.2009.01.16

Mr.Obama said he has enacted other reforms, including re-examining the environmental procedures for oil and gas exploration and development.

VOA: standard.2010.05.14

He said he will force government regulators to make it tougher for oil companies to get drilling permits.

VOA: standard.2010.05.14

Three times a day,crews take off from the Coast Guard station in Clearwater to search for oil.

VOA: standard.2010.07.05

The work of patrolling Florida's waters for oil begins in the skies.

VOA: standard.2010.07.05

The bill,which now goes to the Senate, would remove a $75 million limit on liability for oil spill damages and put a new tax on the industry to fund nationwide conservation projects.

VOA: standard.2010.07.31

"I'll be very honest with King Abdullah with whom I have developed a good relationship, indicating to him that we're not going to be eliminating our need for oil imports in the immediate future;

VOA: standard.2009.06.02

(Speech) Mr.Medvedev says facilities for oil and gas production, which guarantee the lion's share of Russian budget revenues, nuclear weapons, which ensure national security, as well as the country's industrial and public utility infrastructure were for the most part created by Soviet specialists.

VOA: standard.2009.11.12

Ida Tarbell's investigations into Standard Oil were partly responsible for later legal action by the federal government against the company.

VOA: special.2010.04.25

One method was to sell oil in one area of the country for much less than the oil was worth.

VOA: special.2010.04.25

But the oil is processed and exported -- at least for now -- from Port Sudan in the north.

VOA: special.2011.01.08

It was used for an oil well or gold mine that had almost no oil or gold in it.

VOA: special.2009.11.08

Greenhouse gas emissions, such as carbon dioxide, are created in part by burning oil and coal for transportation and electricity.

VOA: special.2009.12.26

At the end of March, President Obama called for the United States to expand its offshore oil and gas exploration.

VOA: special.2010.05.01

American officials have suspended all fishing in parts of the Gulf of Mexico for at least ten days because of the huge oil spill.

VOA: special.2010.05.04

They could not sell their oil for that low a price and still make a profit.

VOA: special.2010.04.25

Ms.Casey-Lefkowitz says it would carry the oil more than three thousand kilometers, crossing the central United States -- and the Ogallala -- for processing in Texas.

VOA: special.2011.07.08

What Carnegie did for the steel industry, John D.Rockefeller did for the oil industry.

VOA: special.2010.02.25

Bad weather has interfered with efforts to send out boats to clean up the oil and watch for the effects on wildlife in the Gulf of Mexico.

VOA: special.2010.05.04

He was famous for putting out dangerous oil well fires around the world.

VOA: special.2009.03.22

Sharks are harvested for meat and cartilage, liver oil and,especially,for their fins.

VOA: special.2009.06.16

Sesame,cotton and sunflower seeds, for example,all contain at least fifty percent oil.

VOA: special.2009.09.29

Now, oil is trading for less than 40 dollars a barrel.

VOA: special.2009.01.03

The Tennessee senator also wants more exploration for offshore oil and natural gas, and more conservation and efficiency in electricity use.

VOA: standard.2009.04.25