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General information
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General criteria
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Status of development: in use |
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Time horizon for broad application: 5 - 10 years |
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Expected technological development: basically exploited |
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Benefits (other than environmental): none |
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Barriers: medium |
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Applicability for railway segments: high |
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Type of traction: electric - DC, electric - AC, diesel
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Type of transportation: passenger - main lines, passenger - high speed, passenger - regional lines, passenger - suburban lines
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Grade of diffusion into railway markets:
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Diffusion into relevant segment of fleet: < 5% |
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Share of newly purchased stock: < 20% |
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Market potential (railways): high |
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Environmental criteria
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Economic criteria
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Vehicle - fix costs: medium |
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For retrofit measure: Due to pronounced differences between air-conditioning technology of rail vehicles, no general figure can be given. The following figure may give an idea: Retrofit measure for demand-operated ventilation of SBB B 20-73 coach in Switzerland caused additional costs of about 14.000 EUROs. However, this is the cost for a dedicated solution realised on one single coach. This figure could be substantially reduced if a larger number of vehicles is refitted. |
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Vehicle - running costs: significant reduction |
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Reduced energy costs (cf. Energy efficiency potential) |
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Infrastructure - fix costs: none |
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(no details available) |
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Infrastructure - running costs: unchanged |
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(no details available) |
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Scale effects: medium |
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Installation in new stock: some scale effects are to be expected both for CO2 sensors and in railway industry if the application becomes a standard in railway coaches.
Retrofit: Some minor scale effects may come from dropping prices of sensor equipment. Due to the heterogeneity of stock, the retrofit measure will be specific to some extent for every vehicle series. Scale effects are therefore to be expected if large series of the same vehicle type are refitted. |
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Amortisation: (no data) |
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Amortisation is difficult to assess in a general manner. In new stock, the additional cost for CO2-operated ventilation will usually pay off in a short period of time. Reftrofit measures are often costly and profitability is not always favourable but can be raised by including the feature in a bundle of measures (cf. the refitting of B 20-73 at SBB). |
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Application outside railway sector
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Overall rating
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Overall potential: very promising |
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Time horizon: mid-term |