Document Shows E.P.A. Plans to Loosen Limits on Mercury From Power Plants

The agency plans to weaken limits on toxic emissions from power plants while also scrapping restrictions on planet-warming greenhouse gases.

As Energy Costs Surge, Eastern Governors Blame a Grid Manager

Anger at PJM, which manages the electrical grid in all or parts of 13 states and the District of Columbia, has been boiling over in some state capitals.

Republican Bill to End E.V. Tax Credit Could Hurt G.M. and Ford

A House Republican bill introduced this week would do away with tax credits that had encouraged Americans to buy electric vehicles and automakers to invest in new factories.

Renewable Energy Is Booming in Texas. Republicans Want to Change That.

Despite soaring power demand, Republican lawmakers in the Texas Legislature are pushing to rein in renewable energy, part of a national wave of Trump-era opposition.

Car Prices Expected to Rise as Tariffs on Parts Kick In

Tariffs on imported parts will have a broad impact because all vehicles use components made abroad.

Exxon and Chevron Report Lower Profits While Girding for Tariffs

President Trump’s trade policies have helped to push down oil prices while raising the costs of materials for oil and gas companies.