U-M engineers design ballast-free ships to stop invasive species

University of Michigan engineers think they have come up with a way to prevent more slimy things from swimming into the Great Lakes as they continue to test their ballast-free cargo ship.

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If there is one thing we Michiganders are proud of, it's our abundance of water. The quality of that water or what swims in it sometimes, well, sometimes not so much.

The proliferation of non-native species, such as zebra mussels and gobies, has become a hot issue with environmentalists and water enthusiasts alike. But engineers at the University of Michigan think they might have found a way to stem the tide of invasive critters swimming into the Great Lakes basin by creating designs for a ballast-free cargo ship.

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