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National Fuel Gas Company (NYSE: NFG) is a diversified energy company with $6.2 billion in assets distributed among the following five operating segments: Exploration and Production (Seneca Resources Company, LLC), Pipeline and Storage (National Fuel Gas Supply Corporation and Empire Pipeline, Inc.), Gathering (National Fuel Gas Midstream Company, LLC), Utility (National Fuel Gas Distribution ...
AFUE— annual fuel utilization efficiency. BTL—building tightness limit (building tightness) CDH—cooling degree hours (climate) CFL—compact fluorescent light. COP— coefficient of performance. CRI—color rendering index. EEM—Energy Efficient Mortgage. EER—energy efficiency ratio.
The meter communicates to its collection point using 900 MHz mesh network topology. Automatic meter reading (AMR) is the technology of automatically collecting consumption, diagnostic, and status data from water meter or energy metering devices (gas, electric) and transferring that data to a central database for billing, troubleshooting, and ...
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Two sets, or tiers, of emission standards for light-duty vehicles in the United States were defined as a result of the Clean Air Act Amendments of 1990. The Tier I standard was adopted in 1991 and was phased in from 1994 to 1997. Tier II standards were phased in from 2004 to 2009. Within the Tier II ranking, there is a subranking ranging from ...
A gas meter is a specialized flow meter, used to measure the volume of fuel gases such as natural gas and liquefied petroleum gas. Gas meters are used at residential, commercial, and industrial buildings that consume fuel gas supplied by a gas utility. Gases are more difficult to measure than liquids, because measured volumes are highly ...
Encoder receiver transmitter. Encoder receiver transmitter (ERT) is a packet radio protocol developed by Itron for automatic meter reading. [1] The technology is used to transmit data from utility meters over a short range so a utility vehicle can collect meter data without a worker physically inspecting each meter.
Renewable Fuel Standard (United States) The Renewable Fuel Standard (RFS) is an American federal program that requires transportation fuel sold in the United States to contain a minimum volume of renewable fuels. It originated with the Energy Policy Act of 2005 and was expanded and extended by the Energy Independence and Security Act of 2007.