Diesel to natural gas conversion calculator

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Using fuel consumption corrections, the equivalent annual fuel use for a model year 2016 diesel engine is calculated as the basis for how to calculate fuel use from a natural gas fleet. 289 barrels 1 barrel = 159 liters 1 barrel = 42 US gallons 1 U. Divide by kWh conversion factor (3. Coal Air Travel Heating Oil Diesel Motor Gasoline Vehicle Miles Reduced Natural Gas Disclaimer. Fuel oil to natural gas conversion calculator. The diesel engine pays for itself in a mere 1,102,535 miles. An aftermarket conversion is a vehicle or engine modified to operate using a different fuel or power source. 66 pounds cubic feet of CNG: Compressed Natural Gas (CNG) CNG Cubic CME Group is the world's leading and most diverse derivatives marketplace offering the widest range of futures and options products for risk management. Natural gas vehicles help fleets go green and add green to the bottom line. Convert from cubic feet to cubic meters by multiplying by 0. 1 cubic foot = 1,037 Btu (based on U. 1 gallon [U. Using a diesel cost of US$26. Grid electricity. 06 pounds of LNG: Propane (LPG) Gasoline gallon equivalents (GGEs) 1 GGE = 1. If you're using electricity, fuel oil or propane for your home, you can save energy and money when you switch to clean, affordable natural gas. Kg of CO2 per unit of consumption. Check with your local gas company to learn more and to find out if natural gas is available in your area. 4 MJ/liter or 42. 1 lb wood = 7,870 BTU. The system reduces emissions by allowing engines to operate cleanly on Enables calculation of grenhouse gas equivalencies. The resources on this site are presented to provide cost-savings and the benefits of newer, more advanced electric technologies. Equipment Costs: New heating equipment for Oilheat and natural gas are priced comparably. Contact a licensed heating or plumbing contractor in your area to help determine the estimated cost to convert to natural gas equipment. Fuel Cost Calculator. This tool is ideally suited to aid fleets and decision Priced at US$3,500 depending upon quantity, the system costs far less than the "dedicated" natural gas engines or the expensive, complex alternatives that typically cost more than $30,000 to $50,000 more to convert a new or existing truck or bus. 5362 gallons of LNG: LNG pounds : 5. CME Group is the world's leading and most diverse derivatives marketplace offering the widest range of futures and options products for risk management. Upgrading to new equipment without switching fuels is less expensive than undertaking a fuel conversion. 7,8,§§ §§ To convert between Dekatherm and Hundred Cubic Foot Of Natural Gas you have to do the following: First divide 1. As part of a project to convert a fleet of vehicles to natural gas, the evaluation of future energy consumption is an important step in the cost­benefit analysis of the project. Once completed, feel free to review our CNG tanks for Sale. Convert From: Btuh kBTUh kBtu/min Joules/hr kJ/hr MJ/hr Watt kW MW horsepower natural gas ccf/hr* therms/hr propane gallons/hr gasoline gallons/hr diesel gallons/hr coal tons/hr fuel oil #2 gallons/hr fuel oil #6 gallons/hr cooling tons steam klbs/hr steam klbs/min steam lbs/hr The Diesel to Natural Gas Conversion Project was located at the Yukon Energy Corporation Generating Station in Whitehorse, Yukon Territory. 7 cents). Conversion Factors Table. The Savings column converts data entries into dollars saved. It's America's number one energy choice! The helpful team at NJNG will make your conversion easy by handling all the details. Convert engines to natural gas. The annual fuel savings, estimated by Enbridge Gas Distribution, is approximately $3,500 (based on $1. 027 (= 2. 4 barrels Liquid fuels 1 cubic meter = 6. T Gas Volume Conversion Convert Gas volume from given condition to SCFM (Standard Cubic Feet per Minute @ 14. 2. 8 million RINs (EGE) per year, which is also equivalent to 5. KBtu Conversions. The tank we have is about the size of a tool box in the bed, the regulator is mounted under the hood and simply plums into the air intake. 43 per kWh. The difference between the highest and lowest price in Ontario is usually 5 cents, so signing with the lowest cost provider will save you $150 per year. We are a Canadian company based in Toronto, Ontario; and our focus is on alternative power systems. Example of consumption per kWh consumption of a diesel generator at 75% of nominal power User Inputs calculate total fleet fuel usage (DGE/year). Home » Resource Center » Conversion Charts » Emissions Conversions Calculator. What a bargain! Liquefied Natural Gas (LNG) Diesel gallon equivalents (DGEs) 1 DGE = 6. The conversion process utilizes components that are installed externally of the engine/generator and no changes or modifications to the cylinders, pistons, fuel injectors or cylinder heads are required. 75 pounds of LPG: Methanol: Gasoline gallon equivalents (GGEs) 1 GGE = 2. Conversion Calculator. 055057e+09 / 108720000 = 9. 5 5 0 10 20 30 40 50 60 70 80 90 100 5% Scale Diesel to natural gas conversion system. < Back. With the Omnitek technology diesel engines are “overhauled” into 100% dedicated natural gas engines -- the difference in cost is minimal. The EVO-SP System allows for the on-site conversion of stationary engines to natural gas and diesel (NG+D) opera-tion. 083 kWh @ 3412 Btu/kWh; Natural Gas: 1 MCF, 10 therms, 1 Dth, or 1,000 cu ft; Coal: 83. 192 . ] of diesel oil in hundred cubic foot of natural gas = 13. 40 per litre CONVERSION FACTORS – All of the following are equivalent to 1 MMBtu: Electricity: 293. Estimaged annual savings: Calculation does not include service installation or equipment costs. today resulted from a conversion process or retrofit performed by qualified installers utilizing . 15 per litre Natural Gas $0. 34768212 ; 10 gallon [U. This free fuel cost calculator estimates the fuel cost of a trip based on fuel efficiency, distance, and gas price using various units of measurement. 5%GAS 4 4. (2) In the conversion of the KAMAZ diesel to a natural-gas engine, comparable power is obtained, with similar fuel consumption and significant decrease in CO and NO x emissions. ] OF DIESEL OIL TO HUNDRED CUBIC FOOT OF NATURAL GAS ( TO ) CHART. •Petro-diesel = 130,500 Btu/gallon (36. ] of diesel oil in hundred cubic foot of natural gas = 1. 47682119 The Heavy-Duty Vehicle Emissions Calculator (HDVEC) was developed to estimate the vehicle operation nitrogen oxide (NO x) and particulate matter (PM 2. Omnitek is the only provider of a real-world solution for diesel fleets. (1) The measures required to switch from the production of diesel engines to natural-gas engines and gas–diesel engines are outlined. (ECI), has invented a dual fuel conversion system that easily converts diesel engines into diesel-natural gas engines, eliminating the need for companies to replace their diesel engines with natural gas engines. 7 PSIA, 60°F), Nm³/h (Normal Cubic Meter per hour @ 1 Atm, 0°C), Sm³/h ( Standard Cubic Meter per hour @ 1 Atm, 15°C), ACMH (Actual Cubic Meter per hour) & ACMS (Actual Cubic Meter This excel file will help you to calculate power and electricity production according to load, fuel consumption and cost of kWh from diesel or gas generator. 785 liters The gas is at 1. 1 metric ton LP-gas (liquefied petroleum gas) (propane) = 11. 68 per litre. $8 mmbtu) by 293 to get the price for 1 KwH and you get $0. 3142 per tonne. 1 lb sawdust/shavings = 3,850 BTU. 8422/Therm. 4. varies between PERCENT GAS / PERCENT LEL CONVERSION CHART Chart courtesy of SENSIT TECHNOLOGIES • Valparaiso, IN 46383 (219) 465-2700 • www. Gallons used annually: (Round to nearest gallon) Average price per gallon ($): Average price: $0. First step in the conversion of diesel engine to Natural Gas id to disassemble it because there a many parts that have to be replace and many parts to upgrade in order to make the new engine work properly For disassembling an engine you need a skill worker because it is really a difficult job to disassemble an engine is proper and safe way. THE FUTURE IS NOW CONVERT HEAVY-DUTY DIESEL ENGINES TO CLEANER, HEALTHIER FUELS DIESEL TO NATURAL GAS CONVERSION KITS (CNG, LNG, Pipeline Gas) DIESEL TO PROPANE GAS CONVERSION KITS (LPG) Powertek Engineering Group’s Leading-Edge Technology is designed for Simplicity and Positive Results for the Customers. 75/L compressed natural gas). Conventional vehicles and engines from original equipment manufacturers (OEMs) can be converted to run on fuels like propane, natural gas, or electricity. Bi-Fuel vs. Omnitek has developed a kit that can be used to convert the globally popular Mercedes diesel engines OM904 and OM906 into natural gas engines. $3. To Convert. Download Excel calculator for electric generator. Multiply by the volume correction factor (1. The Project consisted of the removal of two diesel engines and ancillary equipment that produces diesel generation and replaces them with two new GE natural gas fired engine modules with a total capacity of 8. CNGnow CNG Calculator. Direct Energy Business offers electricity and natural gas supply solutions to large enterprises. Results are already added to Natural Gas PTE. Switching from oil heat to cleaner-burning natural gas can save you money and shrink your carbon footprint. Looking to Switch? We'll walk you through the process. 43 per liter), the approximate savings in this example would be $800 per day or close to US$290,000 per year for one Fuel oil to natural gas conversion calculator. Qualified service retrofitters (QSRs) can economically and reliably convert many light- and medium-duty vehicles for natural gas operation. 1. The information is drawn from scientific journals, industry organizations and energy conversion experts. 75 per diesel litre equivalent Savings $0. Enter the unit cost if known or leave blank to populate with default national value. Price Conversion Calculator. Certified Vehicle Conversions. By retaining the OEM diesel Whether for home or business, natural gas has many uses. 04 gallons of methanol: Compressed Natural Gas (CNG) Gasoline gallon equivalents (GGEs) 1 GGE Home » Resource Center » Conversion Charts » Emissions Conversions Calculator. 93 per liter) and an LNG cost of US$12. Petrol. 75 pounds of LPG: Methanol (M100) M100 gallons : 2. Simply slide the scales based on vehicle, miles/year, per gallon, etc. Disclaimer: The MOE Conversion tool should be used as a guide only as it has been configured to Do a quick conversion: 1 gallon [U. Use these conversion factors to calculate the gasoline gallon equivalent (GGE) of alternative fuels. today resulted from a conversion process or retrofit performed by qualified installers utilizing Calculate Your Natural Gas Savings. See how much you can possibly save by switching to natural gas. For Landfill Gas scenarios, RFS RINS are estimated based on 1 RIN per 77,000 btu of LFG consumed. CO2 is calculated at Natural Gas @ 8270 hr/yr and backup diesel at 500 hr/yr, all others are NG @8760 plus backup diesel at 500 hr/yr. where are you going? To calculate the price of the conversion of natural gas price ($/mmbtu) to electricity prices (cents/kWhr) = You take 1 mmbtu which is equal to 293 KWH at 100% plant efficiency. 1 kWH electricity = 3,413 BTU. 02264). You then divide the price of the natural gas per mmbtu (e. 75 as the price per therm. 5 1 1. 00 per GJ (US$. Dedicated NG Fuelling a bi-fuel vehicle is easier than fuelling a dedicated NGV, as there are only a limited number of public NG refuelling stations in Ontario. The use of a metric conversion calculator for compressed and liquid gases allows for more precise calculations. Conversion is a strategic decision that brings several environmental and economic benefits that will positively impact a company's brand image. 34 lbs @ 12,000 Btu/lb Overview. average for natural gas delivered to consumers in 2020, preliminary) Crude oil conversion calculator barrels Btu megajoules liters Convert From: Btu kBtu Million BTU Joules kiloJoules MegaJoules kWh MWh therm decatherm natural gas CCF* natural gas CF* natural gas M3* natural gas MCF* steam pounds ton-hour gasoline gallons diesel gallons propane gallon kerosene gallons fuel oil #2 gallon fuel oil #6 gallon coal tons wood cord Gasoline and Diesel Gallon Equivalency Methodology. As part of one of the largest retail energy suppliers in North America, we have the capability to meet energy needs of for enterprises of any size, whether it’s smartly procuring electricity and natural gas or finding innovative ways to reduce demand. 30/L gas and $0. Industry Trends. Natural gas. These conversion factors help state and alternative fuel provider fleets report their compliance with Energy Policy Act (EPAct) requirements using the Alternative Compliance method. calculator on the Go With Natural Gas website. 6). 0283 OR dividing by 35. 7 PSIA, 60°F), ACFM (Actual Cubic Feet per Minute), MMSCFD (Million Standard Cubic Feet per Day @ 14. Natural Gas: Enter NOx emission (lb/MMBTU) (ppm) @3% O2 dry Enter CO emission Convert From: Btuh kBTUh kBtu/min Joules/hr kJ/hr MJ/hr Watt kW MW horsepower natural gas ccf/hr* therms/hr propane gallons/hr gasoline gallons/hr diesel gallons/hr coal tons/hr fuel oil #2 gallons/hr fuel oil #6 gallons/hr cooling tons steam klbs/hr steam klbs/min steam lbs/hr Calculating the fuel consumption of different types of natural gas engines compared with gas­ and diesel­fuelled engines. Natural gas vehicle conversions provide options beyond what is available from original equipment manufacturers (OEMs). AAA GAS COST CALCULATOR. 0). Fuel Pricing Diesel $1. 8 MW. Appliance costs vary depending on: fuel, age, manufacturer and number to be converted or Clean Energy also offers an Emissions Calculator that demonstrates the environmental advantages of switching from diesel to natural gas, and a Grant Finder that identifies available supplemental Diesel-to-Natural Gas Conversion System and Parts. 5), as well as the well-to-wheel greenhouse gas emissions (GHGs) of commercially available alternative fuel medium- and heavy-duty vehicles. Price as of 10/1/21. Energy Conversions, Inc. 1 lb waste paper = 6,500 BTU. Storage Tank Water Heater only: $1,000. To learn more about natural gas conversion, call us at 1-877-696-4743 or complete this short form. Contact Gas Flow Calculator MW: Standard / Normal SCFM NM3/hr: Mass lb/hr kg/hr: Volume (English) CFM ft ASL PSIA °F PSIG: Volume (Metric) M3/hr m ASL BarA °C Fuel type. Oilheat is the best choice for safety, and it has a great track record Switching from oil heat to cleaner-burning natural gas can save you money and shrink your carbon footprint. Think about this when the door to door marketers and telemarketers talk to you. Avg. 87 is used to convert from the price per GJ of natural gas fuel to diesel litre equivalent (DLE) pricing. Amount To. of Vehicles: Vehicles. 04 gallons of M100: Compressed Natural Gas (CNG) CNG Pounds: 5. This tool is ideally suited to aid fleets and decision Liquefied Natural Gas (LNG) LNG gallons : 1. and you’ll see the difference in cost with CNG vs fuel. Enter the price of natural gas as the price per therm. The Santos Conversion Calculator should be used as a guide only as it has been configured to provide approximate measurement conversions through rounding, limiting converted measurements to no more than 5 decimal places and using common product energy compositions in areas in which Santos is active. Miles/Gallon: MPG. Click to enlarge. . 50 per 1,000 cubic feet, then divide by 10 and enter 1. Multiply by calorific value (40. The Freightliner Cascadia 113 Day Cab tractor runs on the cleanest technology available: natural gas. 5 2 2. Energy Conversion. Natural Gas: Enter NOx emission (lb/MMBTU) (ppm) @3% O2 dry Enter CO emission CRMT offers its conversion services of diesel vehicles to natural gas or bio-methane to vehicle and engine manufacturers (all validation tests are performed in CRMT's engine test benches). Miles/Year: Miles. * Enter the price of natural gas as the price per therm. GALLON [U. CNG Calculator. The fuel cost savings are the result of simply replacing diesel fuel with lower cost natural gas Is It Right For My Fleet? Fuel consumption calculators are available to determine if a dual fuel system will provide an acceptable investment payback based on parameters such as yearly mileage, cost of fuel, mpg, maintenance intervals, etc. com METHANE / NATURAL GAS 0 . Volumes of natural gas consumption for fuel, emissons, and delivered to consumers, 2012. Before shifting to CNG, use our CNG calculator to assist you understand Cost, Payback, ROI. Peake Fuel Solutions has a new product called Diesel Natural Gas, or DNG, that allows truck owners to run a Cummins ISX 15 engine on a combination of natural gas (CNG or LNG) and diesel, or on 100 Of Diesel Oil you want to convert to Hundred Cubic Foot Of Natural Gas, use the chart below to guide you. 3 million DGEs per year. Natural gas engines and fueling systems are also available for some heavy-duty vehicles. Convert to Clean, Energy-efficient Natural Gas. 66 lbs of natural gas I believe, the kit runs on 30% diesel the rest gas. S. Appliance costs vary depending on: fuel, age, manufacturer and number to be converted or CNG Calculator. The system reduces emissions by allowing engines to operate cleanly on 92 thoughts on “ Gas vs Diesel – A Calculator and My Thoughts ” Shane Sykes May 14, 2020 at 2:19 pm. 70435063 Then multiply the amount of Dekatherm you want to convert to Hundred Cubic Foot Of Natural Gas, use the chart below to guide you. 8 GJ/t) opetro-diesel density (average) = 0. 3. 5 3 3. BACKPRESSURE CONVERTER To begin the calculations, please input your measured pressure data and select units below. 3476821192053 hundred cubic foot of natural gas using the online calculator for metric conversions. gallon = 3. 6 A conversion factor of 25. The Omnitek Diesel-to-Natural Gas Engine Conversion Technology is matured and used around the world, with over 5,000 engine conversions to date. Our natural gas metric conversion calculator includes the capabilities to convert temperature, pressure, weight, volume and length. 0 Cubic metres (m³) 38 Energy Conversions, Inc. ROI 1 to 2 years Engine manufacturers offer no solution for millions of in-use diesel engines! Gasoline and Diesel Gallon Equivalency Methodology. Conversion based on the GHGenius model which is based on Canadian fuel and supply sources. 38 pounds of LNG: Propane (LPG) LPG gallons: 1. 353 gallons of LPG 1 GGE = 5. gasleaksensors. It can provide savings and reliability in a variety of applications, such as heating systems, water heaters, gas fireplaces, clothes dryers, and cooking appliances. If your price for natural gas is based on $ per 1,000 cubic feet, divide that number by 10 to enter above. If in extreme or severe ozone nonattainment, NOx emission factor reflects NOx limit in general permit Enter the quantity of natural gas reduced, selecting the appropriate unit. 1337 cubic feet 1 U. Compressed Natural Gas Gasoline (E10): LHV Range = 112,114 ← → 116,090 Btu/gal Low Sulfur Diesel LHV 1 = 128,488 Btu/gal Natural gas vehicles help fleets go green and add green to the bottom line. Shift to CNG and drive savings of up to 40% when you fuel up. Coal Mass of natural gas is then converted to volume using the conversion factors (see Appendix 2 for development): 2,544 Gg natural gas * 41. 353 gallons of LPG: LPG pounds: 5. Compressed Natural Gas Gasoline (E10): LHV Range = 112,114 ← → 116,090 Btu/gal Low Sulfur Diesel LHV 1 = 128,488 Btu/gal NATURAL GAS UNIT CONVERSION CALCULATOR . Omnitek’s proprietary diesel-to-natural gas engine conversion kit is used for bus and truck applications, as well as The Heavy-Duty Vehicle Emissions Calculator (HDVEC) was developed to estimate the vehicle operation nitrogen oxide (NO x) and particulate matter (PM 2. Use this CNG vs Diesel calculator below to find out how much money you can save by choosing Natural Gas fuel for your vehicles. 5 Assumes a 15 per cent efficiency adjustment for a natural gas engine compared to a diesel engine. ] of diesel oil = 1. 84 g/ml ( = metric tonnes/m3) oNote that the energy content (heating value) of petroleum products per unit mass is fairly constant, but their density differs significantly – hence the energy content of a liter, gallon, etc. Tankless Water Heater only: $1,500. CONCLUSIONS. From . A calculator that allows users to translate abstract greenhouse gas amounts into concrete terms that are easy to understand. For the past 3 decades we have worked to perfect the conversions of diesel engines (primarily generators) to run on a majority mixture of gas with a minority [pilot] amount of diesel fuel to enable compression ignition of the mixture. Did you ever wonder what reducing carbon dioxide (CO 2) emissions by 1 million metric tons means in everyday terms?The greenhouse gas (GHG) equivalencies calculator can help you understand just that, translating abstract measurements and emissions data into concrete terms, such as the annual emissions from cars or households. For more precise conversions, please refer to the Energy conversion calculator. 15 Bcf natural gas . g. gallon = . Clean Energy also offers an Emissions Calculator that demonstrates the environmental advantages of switching from diesel to natural gas, and a Grant Finder that identifies available supplemental Utilize this Nett Technologies' backpressure conversion calculator to convert measured pressure data into other units of measurement. (OMTK) develops and sells new natural gas engines, as well as a proprietary technology to convert diesel engines to natural gas. 99 per equivelant gallon, which is 5. If a facility produces 750,000 MMBtu per year (HHV), this is equivalent to 676,997 MMBtu per year (LHV). 0 Billion cubic feet natural gas per day Diesel: 1. In addition, explore hundreds of calculators including a gas mileage calculator, horsepower calculator, and many others addressing topics such as math, finance, fitness, health, and more. Figure 1. As part of the largest retail energy suppliers in North America, we have the capability to meet energy needs of for enterprises of any size, whether it's smartly procuring electricity and natural gas or finding innovative ways to reduce demand. 31 per litre. 8 million GGE per year or 5. 315. The facility would generate 8. To calculate fuel consumption for natural gas based on the type of engine technology, click on the previous link and use the calculator on the Go With Natural Gas website. 04 gallons of methanol: Compressed Natural Gas (CNG) Gasoline gallon equivalents (GGEs) 1 GGE CNG Calculator. 00 per 1,000 cubic feet, Convert to Clean, Energy-efficient Natural Gas. 1 therm any fuel = 100,000 BTU. For example, if the cost for natural gas is $17. As a rule of thumb: Furnace/Boiler only: $3,500. This is the gasoline and diesel gallon equivalency methodology for compressed natural gas (CNG) and liquefied natural gas (LNG) used in the fuel properties comparison tool. Assume PM emissions are equal to PM10 emissions. 1 lb dung = 7,500 BTU. Bi-Fuel conversion allows your original diesel engine to run on 100 percent diesel or a mixture of diesel and natural gas, while maintaining the original torque, power and reliability of the factory engine. gallon = 231 cubic inches 1 U. *The values in the table are in lower heating value. The below table provides the multiplier to convert a unit of measure to kBtu: Locate the energy source and the applicable unit of measure. 6 barrels 1 metric ton natural gas = 10 barrels 1 metric ton NGL (natural gas liquids) = 10. Gas Flow Calculator MW: Standard / Normal SCFM NM3/hr: Mass lb/hr kg/hr: Volume (English) CFM ft ASL PSIA °F PSIG: Volume (Metric) M3/hr m ASL BarA °C Unlike many gasoline-engine conversions that are designed to run on 100-percent CNG, a typical CNG conversion for a diesel engine still uses a small percentage of diesel to initiate the combustion. PERCENT GAS / PERCENT LEL CONVERSION CHART Chart courtesy of SENSIT TECHNOLOGIES • Valparaiso, IN 46383 (219) 465-2700 • www. No. If the price for natural gas is based on $ per 1,000 cubic feet, divide that number by 10 to enter above. Boro Energy offers both upgrades and conversions. Today’s AAA National Average . This online calculator is intended to help fleets quantify financial and environmental outcomes associated with a proposed conversion from Diesel to Conventional or Renewable Natural Gas (CNG/RNG). Factors such as location, existing natural gas availability, size of home or business, and equipment choice all matter in the total cost of a conversion to natural gas. For example, if your cost for natural gas is $14. It is supposed to provide 25% hp increase! the kit is self regulating flow by rpms. The majority of light- and medium-duty CNG vehicles in operation around the U. Diesel fuel. RNG Coalition’s EGE Conversion Tool. I just ran the comparison for a new 2020 Jeep Wrangler gas vs diesel. Engine conversion not unlike an engine overhaul. Omnitek Engineering, Corp. Better calculations allow for the accurate size of tube trailer. Liquefied Natural Gas (LNG) Diesel gallon equivalents (DGEs) 1 DGE = 6. Use our calculator to see what that means for your price at the pump. We’re here with you and The savings generated are directly related to the cost differential between LNG and diesel fuel on an energy equivalent basis. 5 5 0 10 20 30 40 50 60 70 80 90 100 5% Scale Subtract the new meter reading from the previous reading to work out the volume of gas used. As such, this tool should be used for estimation purposes, only. If you sign a contract for 1 cent less per M3 (which is 27 cents/GJ), you will save about $30 per year. The number and variety of factory-ready compressed natural gas (CNG) vehicles and conversion-eligible CNG vehicles is increasing. 239 = 82,148 MMcf natural gas = 82. We have a large assortment of sizes, pressures, etc. I love your calculator. While the cost of diesel continues to rise, the cost of natural gas remains steady and significantly cheaper.