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2. Union Pacific Big Boy - Wikipedia

   en.wikipedia.org/wiki/Union_Pacific_Big_Boy

   The team found that the railroad's goals could be achieved by enlarging the Challenger firebox to about 235 by 96 inches (5.97 m × 2.44 m) (about 150 sq ft or 14 m 2), increasing boiler pressure to 300 psi (2.1 MPa), adding four driving wheels, and reducing the size of the driving wheels from 69 to 68 in (1,753 to 1,727 mm). [6]

3. Storage water heater - Wikipedia

   en.wikipedia.org/wiki/Storage_water_heater

   Solar heat is clean and renewable. This is the most modern system. Increasingly, solar powered water heaters are being used. Their solar thermal collectors are installed outside dwellings, typically on the roof or walls or nearby, and the potable hot water storage tank is typically a pre-existing or new conventional water heater, or a water heater specifically designed for solar thermal.

4. Water heating - Wikipedia

   en.wikipedia.org/wiki/Water_heating

   An 80 US gal (300 L; 67 imp gal) electric storage tank water heater was able to have a minimum energy factor of 86% under the pre-2015 standard, while under the 2015 standard, the minimum energy factor for an 80-gallon electric storage tank water heater is now 197%, which is only possible with heat pump technology. This rating measures ...

5. New Biden water heater ban will drive up energy prices for ...

   www.aol.com/biden-water-heater-ban-drive...

   Under the policy, new non-condensing, natural gas-fired water heaters will be prohibited for sale starting in 2029 due to concerns about carbon-dioxide emissions.

6. Tankless water heating - Wikipedia

   en.wikipedia.org/wiki/Tankless_water_heating

   A hybrid water heater is a water heating system that integrates technology traits from both the tank-type water heaters and the tankless water heaters. [5] It maintains water pressure and consistent supply of hot water across multiple hot water applications, and like its tankless cousins, it is efficient and can supply a continuous flow of hot ...

7. Secret Service says goodbye to 'Deacon,' its longest-ever ...

   www.aol.com/secret-says-goodbye-deacon-longest...

   January 10, 2025 at 1:40 PM. WASHINGTON -- Secret Service agents on Friday officially said goodbye to “Deacon,” the code-name they used for former President Jimmy Carter, ...