[xuki]

There is no other mode of transportation cheaper than shipping across the ocean.

[stainablesteel]

launching things via a mass driver from the moon to the earth requires a lot less fuel, is faster, and cheaper than shipping across the ocean

[andai]

That one is subsidized by externalizing costs to our lungs.

[kibwen]

Shipping on water has been, by far, the cheapest mode of long-distance shipping since the moment boats were invented. That is to say, since thousands of years before boats were ever powered by the shit that destroys our lungs.

[sroussey]

So is pace travel. Then rockets are not green!