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The same as with all the electric car greenwashing stuff. People are just looking for ways of maintaining the folly of automobilism. I want freight to be carried by rail and water (but not carried around half the world on huge polluting container ships). Automobilism has caused the world to become utterly disorganised and there's a very high price to pay for all that superficial convenience that people reckon they have to enjoy.
... and yet another attempt at greenwashing a failed idea:
https://www.theguardian.com/environment/2020/jul/27/ehighways-could-slash-uk-road-freight-emissions-says-study