2026 F1 rules: What's new on the cars; how will changes affect the racing?

The new F1 season is upon is, and it's a blank canvas in the paddock, where teams have been preparing for the new rulebook. So what has changed?
Barron's

First Gen Corp.

First Gen Corp. is an investment holding company, which engages in the power generation business. It operates through the following segments: First Gas Power (FGPC), FGP, Energy Development (EDC), ...