Clean-energy projects have new deadlines for federal tax credits and limits on foreign parts, taking aim at California’s climate agenda.

Panasonic is delaying full production in its De Soto battery plant because of dropping electric car sales and U.S. policies that do not support electric cars, international media reports.

For years, federal EV tax credits offered one of the few bargaining chips in an industry allergic to discounts. Now, a newly passed federal spending bill has pulled the plug. President Trump’s ...