A team of engineers putting 700k on the line to prove their concept is what id defer to.
They say they are durable. They know dirt and snow exists. They have cleaner brushes that attach to trains. They arent aiming for perfect efficiency, and are trying for an energy solution that is cheaper than buying their own land.
Good luck to them.
What is the point of a news article that could be tailored for either political party with 3 people's subjective experience? You are putting all of your trust in the author/publisher.
It begs to draw conclusions about the masses based on 3 people. Talk about data-driven issues, or notable events, not narratives. This is circlejerk. Just sayin.