The new line in Everett, Washington, will supplement three existing lines in nearby Renton.

If Boeing’s latest plan succeeds, a single mishandled job will have prompted some of the manufacturer’s most fundamental production-line process changes in decades. That job was supposed to have fixed ...

Solid-state battery developer QuantumScape is off and running in 2026, inaugurating its shiny new Eagle Line for pilot production. Eagle Line lays the groundwork for scaled solid-state battery ...