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   Fuel or oil additives for diesel traction  evaluated  
The characteristics of diesel combustion can be modified by subjoining additives to the fuel or motor oil. This may improve fuel economy and/or reduce pollution.
Technology field: Optimisation of traction technologies
open main section General information
open main section General criteria
close main section Environmental criteria
  close sub-section Impacts on energy efficiency:
  Energy efficiency potential for single vehicle: < 2%
  Energy efficiency potential throughout fleet: < 1%
    Some suppliers of motor oil additives claim considerable reductions in fuel consumption:

Energie Release: 15%

Friction Wedge: at least 5%

Tests at DB AG however couldn’t establish any relation between the use of additives and diesel consumption.

According to diesel suppliers, some fuel additives may reduce fuel consumption by up to 3 %, but no details are given. In general substantial effects on fuel economy are doubtful.
  Other environmental impacts: negative
    Some additives contain chlorine which poses serious problems on waste disposal since it converts oil into hazardous waste. This is true for Energie Release and could also be the case for Metabond.
open main section Economic criteria
open main section Application outside railway sector
open main section Overall rating
References / Links:  DB AG 1999;  Hörl, Klimmer 2001
Attachments:
Related projects:
Contact persons:
 date created: 2002-10-04
 
 
© UIC - International Union of Railways 2003
 
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