Gasoline costs nearly 80 cents more per gallon than it did in January. Motorists dread the trip to the pump and wonder why prices are so high — and when they'll go back down. But growing world demand could mean oil prices will continue to rise in coming years.
President Obama meets with more than 50 global leaders for a nuclear non-proliferation summit in South Korea: Diane and guests discuss the status of nuclear weapons worldwide and efforts to control their spread and use.
New drilling technologies and rising fuel prices have generated a boom in U.S. oil and gas drilling. It is also creating many high-paying jobs for young people. The average starting salary for petroleum engineering grads is nearly $79,000.
Grid operators constantly match what power plants are producing with what people and their TVs, microwaves and air conditioners need. But when the electricity comes from unpredictable sources, like wind or solar power, balancing the grid is a challenge, a new study finds.
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