Instead, this is a steam turbine, nothing like the 1920s and 30s experiments with conventional locomotives, nor even the Union Pacific’s oil-fired condensing turbo-electrics. The new idea here ...

Q: I’m familiar with where the water filler is on more modern steam locomotive tenders. But I don’t see a similar place for water to be taken in on the old wood burning engines, like The General.

The light oil mixture is projected to cut CO2 emissions by 2.5 tons per year. The annual carbon footprint reduction linked to the use of biofuel for steam and diesel locomotives is comparably to ...