It isn't funded, but it remains the nearest thing we have to an official decarbonisation plan for the rail industry. Plus, did the Treasury not refuse to fund it until this year? If not, then the lack of funding certainly does
not mean the document is dead, since it was mentioned in the CCC's
2022 progress report to Parliament:
Of course, they can cascade to somewhere nearer the back of the queue, but we are already looking at 161 CAF Civity DMUs with a life until the early 2050s, with the majority of those still being with us into the mid-to-late 2050s. When you consider that even routes which are never likely to be wired (such as the Heart Of Wales Line) have services running through onto busier routes which will need to be wired (as Craven Arms - Shrewsbury would be), virtually everything really needs to be bi-mode to avoid burning diesel under the wires.
And yet this Government certainly appears to be entertaining that proposition - those offsets should be reserved for the really hard stuff like steel making (and for going net-negative after we've reached the net-zero target) - it really is rather scary.