Cargo Ships Getting Detoxed—Because Apparently Air Matters Now
Author by
Clara
Friday, 2025 Jun 27|
10:59 AM
For an industry responsible for nearly 3% of global carbon emissions, shipping has long been the elephant in the climate room—massive, messy, and largely ignored.
That may finally be changing.
UK startup Seabound has just completed successful trials of a carbon-capture device that can be bolted directly onto cargo ships.
The result? Emissions cut by up to 78%. Yes, really.
The device works by trapping carbon dioxide from the ship’s exhaust and converting it into a solid mineral compound that can later be stored or reused.
It’s the maritime equivalent of giving your cargo ship a lung transplant.
Early trials suggest minimal fuel efficiency loss and easy retrofitting, which has major implications for the global fleet of over 60,000 commercial vessels.
Until now, efforts to green the shipping industry have largely focused on alternative fuels, which are expensive, complicated, and often impractical on a global scale.
Carbon capture, by contrast, lets companies keep their diesel engines while cutting their climate tab—without waiting for a unicorn biofuel to save them.
The big challenge? Scaling.
Seabound is still in startup mode, and while the tech is promising, rolling it out across thousands of vessels requires serious capital, regulatory backing, and—let’s be honest—a shipping industry that actually wants to change.
So far, that last part’s been a hard sell.
Still, major shipping lines are watching closely.
Emissions regulations are tightening across Europe and Asia, and carbon accounting is now part of major supply chain contracts.
The logic is simple: reduce pollution or risk losing clients with ESG mandates and activist shareholders breathing down their necks.
Of course, the irony hasn’t gone unnoticed.
After decades of slow-walking reform, the industry is suddenly interested in clean tech—just as the spotlight starts burning hotter.
Environmental groups are calling it greenwashing until proven otherwise.
But for once, there’s tech with real math and working prototypes.
One Seabound exec summed it up best: “If we can cut emissions without slowing down ships or profits, there’s no excuse left.” For the first time, shipping may actually be on the verge of cleaning up—not just coasting.
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