energy

You've heard the (often conflicting) wisdom about saving money on gas: Turn off the AC (or don't). Fill your tires (just exactly enough). Drive more slowly (but not too slowly). But the best way of all to save gas is simply to drive less. Sure, that's easy for me to say: I don't drive at all! But I...

Oil prices climbed again Friday following a drop in the dollar and continued jitters about shipments from the world's major oil suppliers. If the upward trend continues, experts say, gasoline prices could hit $4 a gallon across the U.S. this summer.

With U.S. gas prices near historic highs, Americans are anxious about the cost of filling up. But we still feel far less pain at the pump than drivers in many other developed nations. On the flip side, if you drive in the right world cities, you can still pay less than $1 a gallon.

As soon as oil prices rise, it takes little time before drivers begin to feel the pain at the pump. But it takes far longer for price decreases to reach consumers. Here's why.

The economy has had more than its share of trouble lately: Japan's earthquake comes on top of rising oil and food prices, political turmoil in the Middle East and a crop of government austerity measures. But investing opportunities lie hidden behind the bad news.

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Skyrocketing prices don't have to bring only pain. Investors can also find some relief with investments that can benefit from oil's recent -- and likely future -- increases. Here are some ETFs and mutual funds worth considering, based on performance, risk and cost.

Last week, oil's ascent trumped a raft of healthy U.S. economic reports. With a relatively light slate of economic data scheduled this week, oil prices and political turmoil in the Middle East could play an even larger role in the trading sessions ahead. [Video]

With oil prices soaring on the region's turmoil, alternative energy such as wind is again gaining attention. But wind technology hasn't been standing still: Its power output worldwide jumped by 22% last year. However, it's still nowhere near ready to compete with oil.

Oil prices fell below $97 per barrel Monday -- from more than $100 a few days ago -- on reports that Libya's still exporting oil. But gasoline prices continued to rise, jumping 8 cents over the weekend.