Achieving The Ends
The Sir Biscoe Tritton Lecture, given by Roger Waller, of the DLM company to the Institute of Mechanical Engineers in 2003 gives an idea of how problems in steam power are being addressed. Waller refers mainly to some rack and pinion mountain railway locomotives that were newly built from 1992-98. They were developed for three companies in Switzerland and Austria, and continued to work on two of these lines as of 2008. The new steam locomotives burn the same grade of light oil as their diesel counterparts, and all demonstrate the same advantages of ready availability and reduced labour cost; at the same time they have been shown to greatly reduce air and ground pollution. Their economic superiority has meant that they have largely replaced the diesel locomotives and railcars previously operating the line; additionally, steam locomotives are a tourist attraction.
A parallel line of development was the return to steam power of the old Lake Geneva paddle steamer Montreux that had been refitted with a diesel-electric engine in the 1960s. Economic aims similar to those achieved with the rack locomotives were pursued through automatic control of the light-oil-fired boiler and remote control of the engine from the bridge, enabling the steamship to be operated by a crew of the same size as a motor ship.
Read more about this topic: Advanced Steam Technology
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