Renewable natural gas Renewable natural gas Renewable Natural Gas (RNG), also known as Sustainable Natural Gas (SNG) or biomethane, is a biogas which has been upgraded to a quality similar to fossil natural gas and having a methane concentration of 90% or greater. A biogas is a gaseous form of methane obtained from biomass. By upgrading the quality to that of natural gas, it becomes possible to distribute the gas to customers via the existing gas grid within existing appliances. Renewable natural gas is a subset of synthetic natural gas or substitute natural gas (SNG). Renewable natural gas can be produced and distributed
Natural gas in Bolivia natural gas industry, President Evo Morales dramatically took over and occupied installations by using military force on May 1, 2005. Even though he stated that expropriations would not occur, the short period of six months given to renegotiate contracts put great pressure on the main foreign companies exploring for of natural gas in Bolivia. The state-owned Brazilian company Petrobrás, was among the most affected, since it was one of Bolivia’s largest foreign investors and controlled 14% of the country’s natural gas reserves, which in consequence created large concerns in the Brazilian government. Ultimately, negotiations took place and no further hostilities