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Prem Kumar Khuller

For diesel locomotives pollution is a definite result. But for electric locomotive, it is dependant on the contributions for various sources feeding into the grid. Out of various sources for electric power the only polluting sources are coal and diesel/ Gas. so if a country is getting say 80% of its power from polluting sources. even then there is a reduction of 20% in pollution levels.
Indian Railways has taken a recent decision to go in for 100% electrification. That means that it will be going to be to be slow in induction of new diesel locomotives. The main reason behind this decision is to help clean up the air. On power generation side there is a simultaneous push for non-polluting technologies. So I see my country going in the right direction.

Jeff Hawken

As is usual in Turkey, everything is arranged to suit the engineers building the project, and no thought whatsoever is given to the effect on the passengers and freight customers. TCDD project planning is a complete shambles. As if destroying the railways into Istanbul for several years is not enough, now they plan to isolate Ankara too.I wonder if Konya to Karaman will reopen before Ankara closes?

Jeff Hawken

The stated “cost” of running any given passenger service is very susceptible to political interference. That is a general comment, not one specifically aimed at Turkey. So if the aim is to make the infrastructure company “profitable”, then the track access charges will increase, causing fares increases, and making the train operations unprofitable. Conversely, if the imperative is to maintain the level of fares, then the infrastructure company will become unprofitable. The only thing I am certain about is that the existing bloated TCDD Tasimacilik train operation will need to shed vast numbers of its staff in order to become profitable, or to be able to compete with private operators. That could become very unpopular indeed.