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Biogas
Biogas is a gaseous renewable energy source[1] produced from raw materials such as agricultural waste, manure, municipal waste, plant material, sewage, green waste, wastewater, and food waste. Biogas is produced by anaerobic digestion with anaerobic organisms or methanogens inside an anaerobic digester, biodigester or a bioreactor.[2] The gas composition is primarily methane (CH
4) and carbon dioxide (CO
2) and may have small amounts of hydrogen sulfide (H
2S), moisture and siloxanes. The methane can be combusted or oxidized with oxygen. This energy release allows biogas to be used as a fuel; it can be used in fuel cells and for heating purpose, such as in cooking. It can also be used in a gas engine to convert the energy in the gas into electricity and heat.[3]
After removal of carbon dioxide and hydrogen sulfide it can be compressed in the same way as natural gas and used to power motor vehicles. In the United Kingdom, for example, biogas is estimated to have the potential to replace around 17% of vehicle fuel.[4] It qualifies for renewable energy subsidies in some parts of the world. Biogas can be cleaned and upgraded to natural gas standards, when it becomes bio-methane. Biogas is considered to be a renewable resource because its production-and-use cycle is continuous, and it generates no net carbon dioxide. From a carbon perspective, as much carbon dioxide is absorbed from the atmosphere in the growth of the primary bio-resource as is released, when the material is ultimately converted to energy.
Tamworth (/ˈtæmwərθ/) is a large market town and borough in Staffordshire, England, 14 miles (23 km) north-east of Birmingham and on the West Coast Main Line. The town adjoins Warwickshire to the south and east, Lichfield to the north and west and local junctions of the M6 Toll motorway. It takes its name from the River Tame, which flows through it. Its resident population (mid-2019 est.) was 76,696.
Tamworth was historically divided between Warwickshire and Staffordshire until 1889, when the town was placed entirely in Staffordshire.[1]
Tamworth hosts a simple but elevated 12th century castle, a well-preserved medieval church (the Church of St Editha) and a Moat House. Tamworth was the capital of the Anglo-Saxon Kingdom of Mercia during the Heptarchy of seven kingdoms and throughout its later, greater, form.
The town's industries include logistics, engineering, clothing, brick, tile and paper manufacture. Until 2001 one of its factories was Reliant, which produced the Reliant Robin three-wheeler car and the Reliant Scimitar sports car.
The Snowdome, a prototype real-snow indoor ski slope is in Tamworth and 1.7 miles (2.7 km) south is Drayton Manor Theme Park and one of the many marinas serving the Coventry Canal and Birmingham and Fazeley Canal which combine south of the town.
