Ships Reducing Drag to Save on Gas

Ocean going cargo vessels are responsible for moving an important part of the global economy. Consider how much of the items you buy in the US are made overseas and have to be brought to you by ship. Moving a huge ship against the resistance of the water costs a lot of gas. Ships are enormous gas guzzlers. Ideas for saving on gas in shipping could be very important for us in the future given our massive dependence on seaborn imports.