France, March 4 -- "What I am presenting you today is more than just a change in procedures, it is a change in doctrine," European Commission vice president for industrial strategy, Stephane Sejourne, told a press conference in Brussels.

The new regulations - officially known as the IndustrialDecarbonisation Accelerator Act (IAA) - aim to ensure that public and foreign investments support manufacturing inside the 27-nation bloc, explained an EU official.

To that end, they stipulate that companies that want public money must meet minimum thresholds for EU-made parts. Large investments from dominant foreign firms will also be subject to conditions that include employing EU workers.

EU leaders push to rescue European economy challenged by...