the ships weren't anchored. They were just hanging outside the port for weeks. That requires a lot higher cost of operation and rental cost.Major ports in Asia are almost completely automated these days.
That is the future for all ports.
A ship at anchor consumes almost no energy.
That's why they are building more rail. The more rail freight capacity you have, the more you would be able to accommodate.Ports don't have enough workers or space because there hasn't been the investment in capacity.
Railways face the same issue of lack of capacity, because the tracks can only physically accommodate a certain number of trains.
Aside from what I will discuss below, it's clear that shipping rates can vary quite a bit due to demand and capacity. Right now, the rates are down because we have a demand issue.These transport cost comparisons are not representative, as we have to look at the costs pre-pandemic.
The cost of rail is pretty much stuck where it is. In 2017, Rail was about 3x more expensive than Sea and that is what we can expect once the port bottlenecks work themselves out, which we're already seeing below. More frequent train services from China to Europe won't really reduce the cost much, but it will decrease delivery times so that rail can be justified against air/sea.
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Part of the reason the rail rates are higher because there is just not as much capacity and people are willing to pay more for rail service. Let's say we have enough rail capacity for 40% of traffic from China to EU. The market will probably sort itself out on what the rail service premium is.
This chart above doesn't tell me the cost of shipping. It tells me what people are willing to pay. similarly, if the rates for rail was 3x shipping back in 2017. That could just mean there weren't enough rail capacity, so only the people that are willing to pay 3x get the more convenient rail service. Rail operators will gladly charge more for their service regardless of what the variable operating costs are. the transit countries will glad collect more transit fees if people are willing to pay that.
Your typical commute does not start at Shanghai and end in Rotterdam. For example, a BYD Atto 3 built in Xi'an for a dealership in Frankfurt would first need to be carried by rail to Shanghai, queue up waiting for a container ship, get on a ship to Rotterdam and then wait to get unloaded and carried by trucks to Frankfurt. Going by rail, it can just get loaded to rail freight in Xi'an across Europe into Germany and a very short truck ride to Frankfurt. You don't have the extra transit to Shanghai and you don't have the long truck ride from Rotterdam to Frankfurt. All that adds to the shipping cost.
If we have more rail lines/capacity, transit time will be shorter (due to fewer delays) and the rates will be lower (due to more supply).
Going back to the original point, it makes sense for China to improve BRI for both rail and shipping services. Unfortunately, there is a huge blowback right now in Western countries to China operating ports. As such, China cannot improve port services in Western countries. That's both a good and a bad. It is bad, because China cannot make its shipping service even more efficient. It is good, because there is no investment into port/shipping between America and Europe. As such, improvements along China-EU railway should make Chinese supply chain and industrial production more appealing to European consumer/business vs American production/supply chain.