[Mixtape]

Adding onto that, the last quarter or so of the article is spent quoting William Rampe of the Institute for Energy Research.

https://en.wikipedia.org/wiki/Institute_for_Energy_Research

> IER is often described as a front group for the fossil fuel industry. It was initially formed by Charles Koch, receives donations from many large companies like Exxon, and publishes a stream of reports and position papers opposing any efforts to control greenhouse gasses. Thomas Pyle, president of the IER and its offshoot American Energy Alliance (AEA), was appointed to the US Department of Energy's transition team after the 2016 United States elections.

Regardless of whether or not the buses proved effective, it's pretty obvious to me that this isn't neutral journalism. It seems like the author approached it first as an opportunity to echo anti-EV talking points and second as a noteworthy story.