Maybe I missed something, but in the article I didn't see anything about electrics replacing diesels for heavy towing requirements. Lots was said about the decline in small diesels in cars. And I didn't see anything about the death of diesels for commercial vehicle bigger than HD trucks. So how does the article relate to tow vehicles? What am I missing?
But while on the topic it seems to me that diesel locomotives don't have weight limitations and railroads can use multiple locomotives at steep grades only. Over the road is a different situation. Weight (and cost) of traction motors, small diesel and batteries must be lower than existing diesel solutions for both HD pickups and bigger commercial rigs. And a single tow vehicle must work over a wider range of conditions than a single locomotive.