Power companies hope the technique can help them avoid higher carbon emissions.

I ask them one question: Do you feel you need more oil?

Psaki said: Libya's challenges are political and violence will not resolve them.

Give them an opportunity to enjoy good food and your good company.

Order and safety always trump freedom when government needs to balance them.

Freedom always trumps order and safety when government needs to weight them.

I tell them it's a great year to take a gap year.

A sea of blue state police cars stood motionless ahead of them.

Technology has offered new choices, but government must now decide among them.

Whether that makes them a good investment is an entirely different question.

Northern Europe remains cold, with forecasts expecting them to remain below normal.

Today, we begin to bring them home, Najib said in a statement.

You must ask me direct questions, and I'll try to answer them.

Nothing happened: 'there was no voice, no answer, no attention given them.'

It's a safety issue not to have them, one industry official said.

The regulation requires them to use about 11 billion gallons this year.