Who switches to gas? A study of a fuel conversion program in Colombia

Carlos Adrián Saldarriaga ()
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Carlos Adrián Saldarriaga: Universidad Nacional de Colombia, Sede Medellín

No 200806, Working Papers from Latin American and Caribbean Environmental Economics Program

Abstract: Air pollution from mobile sources is an important environmental problem in larger cities in Colombia, as well as in other Latin-American countries. In 2001, a program was implemented to encourage the use of natural gas in vehicles in the Aburrá Valley in Colombia, with incentives to convert small cars from gasoline and diesel to hybrid engines with natural gas, most notably a cash subsidy. Using a survey administered to both commercial and private car owners we study the determinants of conversion under this fuel conversion program. We thus obtain information about the reasons for adoption of new technologies in vehicles. This allows us to discuss the possible outcomes of this type of policy. Results show that a large part of owners who switched would have done it anyway without the subsidy. Based on the findings, commercial vehicles are most likely to be converted to natural gas vehicles (NGV).

Pages: 20 pages
Date: 2008-07, Revised 2008-07
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