colombia

Now that winter is coming, some people are getting ready for cable cars rides at ski resorts. But what if a city used cable cars as for public transportation? Such is the case in Medellín, in Colombia, and its Metrocable system. There are currently two aerial cable car lines which are fully ...

Some countries believe that their development expectations can be improved if they switch from oil-based fuels to biofuels. Such is the case of Colombia, a country that has just received the support of the United States to produce biofuel to satisfy some of the country's energy needs. Gregory ...