Even as the presidential candidates debate whether to cut federal gas taxes this summer, a harder-to-control factor is emerging as a main reason behind the increase in energy costs: the sinking greenback.

U.S. natural gas inventories could be at seriously low levels at the start of winter this year, if current rates of liquefied natural gas (LNG) imports remain at record lows, a Goldman Sachs report said Wednesday.

Millions of Americans are behind on electric and gas bills, and a record number of families could face energy shut-offs over the next two months, according to state energy officials and utilities around the country.

All three presidential candidates are largely in sync on the need to curb greenhouse gases and despite President Bush’s recent apotheosis on the subject, most analysts expect the landmark legislation will still have to wait for the next administration.

Storing heat - rather than electricity - might be the secret to  cost-effective solar power.

Two of the world’s biggest oil companies, BP and ConocoPhillips, will spend billions to build a pipeline from the North Slope to feed energy-hungry markets in the United States and Canada, the New York Times reports.

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A nationwide survey of nearly 700 people suggests that Americans would prefer more money be invested in technology to solve the nation's energy ailments than to cure cancer or other diseases.

Toyota Motor on Wednesday challenged a claim by a former senior executive that Japan's government funded the development of technology that drives the market-leading Prius hybrid.

U.S. auto sales dropped 12 percent in March in a decline blamed on shaky consumer confidence, high fuel prices and concern that a housing market downturn could spread into a full recession.

Independent truckers around the country pulled their rigs off the road and others slowed to a crawl on major highways in a loosely organized protest of high fuel prices.

Supporters of two controversial coal power plants proposed for Western Kansas say they hope to pass new legislation this week that could override an expected veto by the governor and allow the $3.6 billion project to move ahead.

With summer driving season around the corner, and the cost of gasoline at record highs, pain at the pump has become an everyday reality. And that has some automakers shifting their focus to alternative fuels, like hydrogen cells.

Supporters of two controversial coal power plants proposed for Western Kansas say they hope to pass new legislation this week that could override an expected veto by the governor and allow the $3.6 billion project to move ahead.

Salt power  is a tantalizing, if  still distant, alternative energy prospect as high oil prices make  more exotic alternatives  look more economical.