The energy giant was vague on details, but analysts say the changes is likely to include less spending on renewable sources and a bigger investment in oil and natural gas production.

The 10 percent tariff the president said he might impose in March could cause U.S. refineries to cut production and lead to higher prices.

Ties between the United States and Mexico have deepened over 30 years of free trade, creating both benefits and irritants.

Some oil refineries will probably struggle to replace imported crude oil if President Trump imposes 25 percent tariffs on products from Canada and Mexico.

The former governor of North Dakota is promoting President Trump’s “energy dominance” agenda and wants more oil, gas and mining on public lands.

A court ruling requires the British government to consider the potential climate impact of the oil and gas produced in the North Sea.

Oil and gas executives welcomed President Trump’s early moves on energy policy, but many said they did not plan to increase production unless prices rose significantly.

States are using higher registration fees for electric cars to make up for declining fuel taxes, but some are punitive, environmentalists say. A federal tax could be coming.

His executive orders ultimately seek to make the market for oil and gas as big as possible.

Economists and analysts aren’t convinced that an expansion of oil and gas production will lower consumer prices.

Videos showed fireballs over a facility in Ryazan, 110 miles southeast of Moscow. Kyiv is seeking to disrupt Russian military logistics and put pressure on the country’s economy by striking its oil industry.

The energy giant is spending nearly $50 billion to expand the Tengiz oil field, allowing it to pump one million barrels a day.

Most major economies are investing in ever-cheaper solar and wind power. The United States risks further ceding a global market to China.

C.E.O.s, policymakers and billionaires at the World Economic Forum’s conference have long pledged to fight climate change. Has it done any good?

Legal experts said the president was testing the boundaries of executive power with aggressive orders designed to stop the country from transitioning to renewable energy.

The president said he’d declare an energy emergency, increase drilling and end support for electric cars. His pivot to oil and gas follows the hottest year in recorded history.

The United States will be one of only four countries outside the Paris Agreement, which is designed to reduce global greenhouse gas emissions.

New York and Vermont recently passed laws like these, which require energy companies to pay climate damages and will likely face fierce challenges.

Republicans said they were seeking ways to quickly reverse the restrictions in the state’s North Slope region.

The former North Dakota governor told senators at his confirmation hearing that he sees limits on energy production as a national security threat.