How Dodgy Spare Parts Got Into Jet Engines, Leaving Airlines Scrambling

Delta, Southwest and other airlines are checking their fleets after regulators and engine makers claimed a…

Giant Batteries Helped the U.S. Power Grid Eke Through Summer

States are relying more on batteries to avoid blackouts, and additional projects are coming online soon.

MGM Resorts Hotel, Betting Operations Disrupted by Cyber Incident

Guests can still get into their Las Vegas hotel rooms.

Warren Buffett’s Green Cash Washes Over Coal Country

Berkshire Hathaway teamed with West Virginia’s Republican lawmakers to launch a solar-powered project, helped by federal…

3M Just Agreed to a $6 Billion Settlement. More Lawsuits Await.

Manufacturer faces lawsuits over forever chemicals filed by personal injury lawyers, state attorneys general.

U.S. Stocks Advance for Second Consecutive Session

Major stock indexes kick off the week with broad-based gains, recouping some losses from the summer…

Bloom Energy Can Finally Live Up to Clean Power Buzz

Years of disappointment have sapped investor interest in the Californian maker of fuel-cell electricity generators, but…

3M Nears Roughly $5.5 Billion Earplugs Settlement

The litigation over hearing-loss complaints ranks as the largest mass tort in U.S. history, with more…

Opinion | Industrial Policy Follies: Solar-Power Edition

The contradictions of subsidies and tariffs pile up, as taxpayers lose.

Solar Boom Spreads to Timberlands and Self-Storage Rooftops

Last year’s climate bill sparked a solar bonanza for big property owners.