It’s hard to imagine a more perfect subject for a homemade toy than a tug boat. Working tug boats look just like toys as they tow long barges or push huge commercial liners into moorings. My design ...

Arc boats has announced a deal with Curtin Maritime to build 8 electric “ship assist” tugboats, meant for moving large cargo ships in and out of port. But the big takeaway is that nobody’s doing it ...