Arkadia Space
Arkadia Space will use its seed funding to expand its facilities and workforce developing spacecraft thrusters that use green propellants. Credit: Arkadia Space

A Spanish company developing green propulsion systems for spacecraft has raised $3 million in seed funding.

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Jeff Foust has more than a decade of experience writing about space policy, entrepreneurial ventures and regulatory affairs. In 2001, he established spacetoday.net to aggregate and summarize the day's space-related news stories. In 2003, he started The...