The National Unification Gas Pipeline (Gas Unificação – GASUN) will be a 5000 kilometres (3,106.9 mi) natural gas pipeline in Brazil

Brazil

Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...

. GASUN will connect the Gasbol pipeline with the northern Amazon

Amazon Basin

The Amazon Basin is the part of South America drained by the Amazon River and its tributaries that drains an area of about , or roughly 40 percent of South America. The basin is located in the countries of Bolivia, Brazil, Colombia, Ecuador, Guyana, Peru, and Venezuela...

 and the Northeast states (Pará

Pará

Pará is a state in the north of Brazil. It borders the Brazilian states of Amapá, Maranhão, Tocantins, Mato Grosso, Amazonas and Roraima. To the northwest it also borders Guyana and Suriname, and to the northeast it borders the Atlantic Ocean. The capital is Belém.Pará is the most populous state...

, Tocantins

Tocantins

Tocantins may refer to:* Tocantins, a state in Brazil* Tocantins River, a river in Brazil* Survivor: Tocantins, a reality show set in Tocantins, Brazil* Tocantins Esporte Clube, a Brazilian football club...

, Maranhão

Maranhão

Maranhão is a northeastern state of Brazil. To the north lies the Atlantic Ocean. Maranhão is neighbored by the states of Piauí, Tocantins and Pará. The people of Maranhão have a distinctive accent...

 and Piauí

Piauí

Piauí is one of the states of Brazil, located in the northeastern part of the country.Piauí has the shortest coastline of any of the non-landlocked Brazilian states at 66 km , and the capital, Teresina, is the only state capital in the north east to be located inland...

) allowing transportation of Bolivia

Bolivia

Bolivia officially known as Plurinational State of Bolivia , is a landlocked country in central South America. It is the poorest country in South America...

n gas into these regions. The project is expected to cost US$2.48 billion.

The first stage of GASUN will begin in Mimoso, Mato Grosso do Sul

Mato Grosso do Sul

Mato Grosso do Sul is one of the states of Brazil.Neighboring Brazilian states are Mato Grosso, Goiás, Minas Gerais, São Paulo and Paraná. It also borders the countries of Paraguay and Bolivia to the west. The economy of the state is largely based on agriculture and cattle-raising...

, and will join the Gasbol pipeline. From there it will run towards Brasília

Brasília

Brasília is the capital city of Brazil. The name is commonly spelled Brasilia in English. The city and its District are located in the Central-West region of the country, along a plateau known as Planalto Central. It has a population of about 2,557,000 as of the 2008 IBGE estimate, making it the...

, passing through Goiânia

Goiânia

-Climate:The city has a tropical wet and dry climate with an average temperature of . There's a wet season, from October to April, and a dry one, from May to September. Annual rainfall is around 1,520 mm....

. Construction of this section started in 2005, and scheduled to be completed in 2007.

The longest and most costly portion of GASUN will be the 2260 kilometres (1,404.3 mi) long central-north branch, which is to connect Goiás

Goiás

Goiás is a state of Brazil, located in the central part of the country. The name Goiás comes from the name of an indigenous community...

 and Maranhão

Maranhão

Maranhão is a northeastern state of Brazil. To the north lies the Atlantic Ocean. Maranhão is neighbored by the states of Piauí, Tocantins and Pará. The people of Maranhão have a distinctive accent...

. It will pass through Palmas

Palmas, Tocantins

Palmas is the capital of the Brazilian state of Tocantins. According to IBGE estimates from 2011, the city had 235,315 inhabitants. It has an area of 2474.95 km²....

 and Belém

Belém

Belém is a Brazilian city, the capital and largest city of state of Pará, in the country's north region. It is the entrance gate to the Amazon with a busy port, airport and bus/coach station...

, Pará

Pará

Pará is a state in the north of Brazil. It borders the Brazilian states of Amapá, Maranhão, Tocantins, Mato Grosso, Amazonas and Roraima. To the northwest it also borders Guyana and Suriname, and to the northeast it borders the Atlantic Ocean. The capital is Belém.Pará is the most populous state...

. The entire natural gas pipeline should be complete by 2026.