Hi BEST members,

Bogotá, Colombia is the largest city in Colombia with 70 percent of 
commuters who have been depending on diesel buses to travel. As a 
result, the city has one of the highest levels of sulfur dioxide 
pollution of the Latin American Green City Index cities. The city has 
introduced the bus rapid transit (BRT) system, TransMilenio in 2000 to 
deal with the air pollution problem which has significantly reduce 
carbon emissions. In 2012, the city has tested electric and hybrid buses 
and participated in Latin American Hybrid Electric Bus Test Programme 
(HEBTP). In 2013, electric taxis began operating in Bogotá since taxis 
have the largest CO2 emissions per passenger in the city. This will cut 
greenhouse emissions by more than 70 percent.

Bogotá’s goal is to replace thousands of buses with low-emissions 
vehicles by the end of 2014. The electric vehicle program has the 
potential to be the start of a new urban transportation system in other 

"Bogotá: TransMilenio + E-taxis." The C40 Siemens City Climate 
Leadership Awards.


Natalie Chavez
Undergraduate Intern
2014 BioEnergy & Sustainability School
Soil and Water Science Department
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