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   Natural gas  evaluated  
Natural gas propulsion for rail vehicles is discussed as a clean alternative to diesel propulsion and several prototypes and test series have been realized.
Technology field: Innovative traction concepts and energy sources
open main section General information
open main section General criteria
open main section Environmental criteria
open main section Economic criteria
close main section Application outside railway sector
  close sub-section Status of development outside railway sector: in use
    Busses and cars equipped with natural gas propulsion are available on the market. Both monovalent (natural gas operation only) and bivalent (both gas and gasoline operation possible) gas vehicles exist. Most cars can be converted to natural gas operation.
  Time horizon for broad application outside railway sector: in 2 - 5 years
    (no details available)
  Expected technological development outside railway sector: dynamic
   
  • Considerable optimisation potential in engine technology.
  •  Further progress in ANG technology to be expected.
  Market potential outside railway sector: highly uncertain
    More than 1 million vehicles with CNG propulsion are in use world-wide, predominantly in the GUS States, Italy, Argentina and New Zealand. The further diffusion of the technology depends on infrastructure (natural gas stations) and taxation as well as progress in other clean vehicle technologies (fuel cells etc.). The wide-spread success of natural gas propulsion is uncertain.
open main section Overall rating
References / Links:  DB AG 1999;  Althammer, Hattensperger 1998;  Chabas et al. 2001;  Xin et al. 1997;  Schweiger et al. 1997;  ZEIT 2001;  DB AG 2001;  b-verband gas und wasser.de
Attachments:
Related projects:  Energy chains of alternative fuels;  Natural gas propelled railcar;  Shunting locomotive with LNG propulsion;  Railcar with CNG propulsion
Contact persons:
 date created: 2002-10-09
 
 
© UIC - International Union of Railways 2003
 
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