One Container Ship Pollutes As Much As 50 Million Cars

15 of the biggest container ships emit the same amount of pollution as all the worlds 760,000,000 cars.

Decider: LORDKAHUNA

sunny77

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BeachGoat

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LORDKAHUNA

"Sails"? Again? Sure, you could cover it with sails. But the author kneecaps himself by reminding everyone that the vast majority of fuel is burned within sight of land, but that's where sails are the most tricky and unreliable. Plus, even to get a boat that size from standstill to half of it's typical speed of about 20 knots would require a 50 mph wind blowing for more than a day. Shipping companies don't have time to wait around like that.

Sure, out in the ocean you could launch high kites and pull the ship along, but do you have any idea how heavy the cable would have to be to provide force to a ship like that? Even the hawsers tying one to the dock are more than a foot thick and weigh more than 10 lbs per linear foot, and that's just to keep a stationary ship stationary against the tide.

Sails work well on boats up to about 50-100 square feet of sail per English ton. So do a little calculations on how many square feet you need to motivate 11,000 20 foot containers at 14 tonnes each. (Of course the average load per container usually works out closer to 8 tonnes each. Not everyone is shipping car batteries.)

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