We’re sort of where we were with hybrid cars a decade or two ago. The Prius popularized a revolution in technology that made a huge impact on car efficiency and was a huge success. The technology was useful as a bridge toward fully electric vehicles.

Of course, somewhere along the line Toyota squandered their technical leadership by forgetting the difference between “was” and “is”

Anyhow, the point is electrifying tracks is a huge infrastructure investment that will take many years and piles of money. Certainly it’s a good idea and worth the investment, but you can’t just snap your fingers and “make it so”. multi-mode trains make progress in the meantime …. Assuming you don’t”pull a Toyota” and lose sight of progress