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STAX Engineering provides emissions capture systems for vessels at ports and other industrial sites.
STAX Engineering provides emissions capture systems for maritime and data center uses, including barge-based, land-based, and mobile units that require no vessel modifications. Its technology captures up to 99% of diesel particulate matter and 95% of nitrogen oxide from vessels at ports. Based in Long Beach, US, the company raised USD 40 million in venture funding led by Upper90 in July 2024 and USD 60 million in venture debt in February 2025, co-led by Deutsche Bank Private Wealth Management and Firstime.
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