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Dual Fuel
Dual fuel refers to systems or engines that use two different types of fuel to operate. Here are some common applications:
Dual Fuel Engines: These engines can run on a combination of two fuels, typically diesel and natural gas. The diesel fuel acts as the ignition source, while the natural gas provides the bulk of the energy 1 2. This setup can improve fuel efficiency and reduce emissions.
Dual Fuel Heating Systems: These systems combine an electric heat pump with a gas furnace. The heat pump is used for heating and cooling during milder weather, while the gas furnace takes over during extremely cold conditions 3. This hybrid approach maximizes energy efficiency and comfort throughout the year.
Dual fuel systems offer flexibility, cost savings, and environmental benefits by optimizing the use of different fuel sources based on availability and efficiency 2.
Powys(/ˈpoʊɪs,ˈpaʊɪs/POH-iss,POW-iss,[4]Welsh:[ˈpou̯ɪs]) is acountyandpreserved countyinWales.[a]It bordersGwynedd,Denbighshire, andWrexhamto the north; the Englishceremonial countiesofShropshireandHerefordshireto the east;Monmouthshire,Blaenau Gwent,Merthyr Tydfil,Caerphilly,Rhondda Cynon Taf, andNeath Port Talbotto the south; andCarmarthenshireandCeredigionto the west. The largest settlement isNewtown, and the administrative centre isLlandrindod Wells.
Powys is the largest and most sparsely populated county in Wales, having an area of 5,181 km2(2,000 sq mi) and a population of 133,891 in 2022.[2]AfterNewtown(11,362), the most populous settlements areYstradgynlais(8,270),Brecon(8,254), andLlandrindod Wells(5,602). The county is entirely rural, and characterised by multiple market towns and villages. TheWelsh languagecan be spoken by 16.4% of the population.[5]
The county is predominantly hilly and mountainous. To the west lie theCambrian Mountains, where theRiver SevernandRiver Wyeboth have their source on the Powys side of thePlynlimonmassif; together with their tributaries they drain most of the county. The southern quarter of the county is occupied by theBrecon Beacons(Bannau Brycheiniog) national park, and further north are two more upland areas,Mynydd EpyntandRadnor Forest. The only extensive area of flat land in Powys is the region northwest of Welshpool.
The county is named after theKingdom of Powys, which was a Welshsuccessor state,petty kingdomandprincipalitythat emerged during the Middle Ages following theend of Roman rule in Britain. Powys covers the same area as the historic counties ofMontgomeryshire,Radnorshire, andBrecknockshire.
