Two ongoing projects to solve this:

Qwant and Ecosia, two European search engines, announced on October 24, 2023, a partnership to develop a European search index to lessen their dependence on US tech giants Google and Microsoft. https://insidetelecom.com/qwant-and-ecosia-are-building-an-i...

For the OpenWebSearch.eu initiative, 14 renowned European research and computer centers from 7 countries have joined forces to develop an open European infrastructure for web search https://openwebsearch.eu/