Venezuelan President Hugo Chavez has pledged to build a natural-gas pipeline that would stretch from his country to Argentina. He has met with Argentine President Nestor Kirchner and Brazilian President Luiz Inacio Lula da Silva to begin a preliminary-planning process for the megapipeline, although energy-industry analysts have expressed doubts about the economic viability of such a gigantic project and environmental groups have fears that its construction would damage the Amazonian ecosystem. The project would run between 8,000 km and 10,000 km and would supposedly require an investment of US$20 billion, though cost estimates have varied widely.
NotiSur writers. "South American leaders propose massive trans-amazonian gas pipeline from Venezuela through Brazil and Argentina." (2010). https://digitalrepository.unm.edu/la_energy_notien/136