But some environmental groups say it should be made permanent to end the nation's dependence on oil.

VOA: special.2010.06.19

But the work is hard. And getting all the oil from the seeds can be difficult.

VOA: special.2009.09.29

They say the wax can be softened with mineral oil, glycerin or ear drops.

VOA: special.2010.03.31

Some of the oil will flow out of the bag and can be collected.

VOA: special.2009.09.29

The greater the pressure, the more oil will be produced.

VOA: special.2009.09.29

Putting out oil well fires can be difficult.

VOA: special.2009.03.22

Oil can also be collected with small,hand-operated machines.

VOA: special.2009.09.29

Rising oil prices are also likely to be discussed, along with President Obama's plans to reduce America's reliance on foreign suppliers.

VOA: standard.2009.06.02

They're start off by frying potatoes, then put the remaining oil into this system to be converted into useable energy.

VOA: standard.2010.04.25

You could have oil getting on the plants, which could cause them, at the very least, to be stressed if not die.

VOA: standard.2010.05.09

It is an ideological arrangement. But PDVSA suffers, because it could be selling that oil to the United States for hard currency."

VOA: standard.2010.08.06

Fenton says within three years the cost of large solar plants should be the same as for coal or oil power plants.

VOA: standard.2009.10.27

"So it could be a couple of years before we see the true impacts of the oil spill."

VOA: standard.2010.07.13

Vernon Asper of the University of Southern Mississippi says much of the oil is under the surface, where it cannot be monitored."

VOA: standard.2010.05.17

Conservationists have warned that oil could be washed up for weeks to come along Queensland's popular coastline.

VOA: standard.2009.03.13

But this plan has also come under criticism. The proposed power plants will burn heavy oil, which must be imported and causes pollution.

VOA: standard.2009.08.28

He says it is poor countries that will be hit hardest by a downturn in oil supplies.

VOA: standard.2009.10.20

"Well,if the oil did get into the interior of the wetlands it could be very devastating.

VOA: standard.2010.05.09

No liquid oil waste will be dumped. Jeremy O'Brien sees no problem with this strategy.

VOA: standard.2010.08.05

Eight national parks and 33 wildlife refuges along the Gulf of Mexico could be threatened by the oil spill, according to National Parks Director Jonathan Jarvis.

VOA: standard.2010.05.26

And he said French business expertise in water, oil and infrastructure development is known worldwide, and France wants to be at the forefront of reconstructing Iraq.

VOA: standard.2009.11.16

"If the oil doesn't make it here, they say it'll be good for us.

VOA: standard.2010.05.06

But he fears that could all be coming to an end as the massive oil slick from the Deep Water Horizon drilling rig creeps toward the coast.

VOA: standard.2010.05.04