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Fuel types

The following proposal adds descriptions and links to wikipedia. Ambiguities like E10 are eliminated. The fuel types are arranged into groups.

-- Willi2006 12:51, 22 November 2011 (UTC)

Group Fuel type Tagging Proposed tagging Norm Description
Diesel Diesel fuel:diesel=yes = Derived from petroleum: petrodiesel.
GTL diesel fuel:GTL_diesel=yes = Derived from gas: gas to liquid (GTL).
HGV diesel fuel:HGV_diesel=yes depreciate Remark: "High output pumps with a bigger nozzle that won't fit a motorcar tank".

This doesn't describe the fuel type but the nozzle size. May be motorcar=no or hgv=yes would do it.
Another remark: This was also meant to indicate that there is a cheaper price for hgv, because there is a higher minimum amount.

Bio diesel fuel:biodiesel=yes = Derived from biomass.
Taxfree diesel fuel:taxfree_diesel=yes Sold at most gas stations in Norway, ("Avgiftsfri diesel", green colored petrodiesel). Legally used by construction machinery, boats, tractors and other engines not meant for road traffic (fuel:untaxed_diesel could be an alternative).
Gasoline Gasoline 91 fuel:octane_91=yes fuel:gasoline_91=yes Petroleum-derived liquid. Octane rating 91. Optional up to 5% Ethanol.
Gasoline 95 fuel:octane_95=yes fuel:gasoline_95=yes Petroleum-derived liquid. Octane rating 95. Optional up to 5% Ethanol.
Gasoline 98 fuel:octane_98=yes fuel:gasoline_98=yes Petroleum-derived liquid. Octane rating 98. Optional up to 5% Ethanol.
Gasoline 100 fuel:octane_100=yes fuel:gasoline_100=yes Petroleum-derived liquid. Octane rating 100. Optional up to 5% Ethanol.
Mixture of Two-stroke oil and gasoline Mixture 1:25 fuel:1_25=yes = 1 part two-stroke oil mixed with 25 parts gasoline.
Mixture 1:50 fuel:1_50=yes = 1 part two-stroke oil mixed with 50 parts gasoline.

(ethanol fuel mixtures)

E10 fuel:e10=yes depreciate DIN 51625 Remark: Octane rating unknown.
Gasohol 91 fuel:gasohol_91=yes 10% ethanol mixed with 90% gasoline. Octane rating 91.
Gasohol 95 fuel:gasohol_95=yes 10% ethanol mixed with 90% gasoline. Octane rating 95.
E20 fuel:e20=yes 20% ethanol mixed with 80% gasoline. Octane rating 95 or higher.
E85 fuel:e85=yes = 85% ethanol mixed with 15% gasoline. Octane rating 100 or higher.
ED95 fuel:ed95=yes 95% ethanol mixed with the addition of ignition improver, lubricant and corrosion protection. Octane rating ? or higher. Is this the same as Biodiesel?
Methanol fuel:methanol=yes = Derived from biomass, coal, natural gas.
Gas LPG ( liquefied petroleum gas) fuel:lpg=yes A mixture of liquid gases, mainly butane and propane. Also called Autogas, GPL, LP Gas or liquid propane gas.
CNG ( compressed natural gas) fuel:cng=yes


Natural gas, mainly methane, stored at high pressure, over 200 bar. Gas stations also marked with NGV (natural gas vehicle).

de:Erdgas, pt-br:GNV

Remark: More information needed. Liquid Hydrogen fuel:LH2=yes Liquid H2.
SVO fuel:svo=yes
Biogas fuel:biogas=yes "SunGas(r)"

Electric Vehicle Charging Facility see amenity=ev_charging.

Fuel Type CNG

There are different types of CNG out, should we differ them?

Group Fuel type Tagging Proposed tagging Norm Description
CNG Low Caloric ( compressed natural gas) fuel:cng-L=yes


DIN 51624 Natural gas, mainly methane, stored at high pressure, over 200 bar. L=Low Caloric: 80,1 - 87,0 % methan. Gas stations also marked with NGV (natural gas vehicle).

de:Erdgas L, L-Gas

CNG High Caloric ( compressed natural gas) fuel:cng-H=yes


DIN 51624 Natural gas, mainly methane, stored at high pressure, over 200 bar. H=High Caloric: 87,0-98,9 % methan. Gas stations also marked with NGV (natural gas vehicle).

de:Erdgas H, H-Gas

H2CNG ( CNG with hydrogen) fuel:h2cng_xx%=yes


Natural gas, mainly methane with 4-50% hydrogen, stored at high pressure, over 200 bar. Also known as HCNG.
LNG ( liquefied natural gas) fuel:lng=yes


liquefied natural gas, mainly methane, stored at cryonic temperature (-164 - 161 °C). Liquefied Natural Gas in trucks and cars.


I know only this 4 types of CNG as fuel, maybe there are more.

I don't have found relevant informations about the different mixing proportions of H2CNG. I propose, we should use the percentage of hydrogen in the tag if known. If unknown, we schould use xx%.

--René Falk 00:11, 12 November 2012 (UTC)

Instead of changing the existing key-value combination I suggest to add new tags. This would not break existing applications. Examples: fuel:cng-L=yes fuel:cng:L=yes or fuel:cng-L=yes fuel:cng:type=L.

I have a car that uses CNG and I'm happy about every station offering CNG. I don't care whether it is H or L variant and I don't know. Is there any station where I could choose between different sorts of CNG? I have never seen this. I guess the information about the CNG variant is mainly additional specification of the only available one.

-- Bomm 21:41, 18 November 2012 (UTC)

Hi Bomm, you know that L-Gas means a about 10-15% lower range than H-Gas for your car? This information is very helpful for planning long-distance trips, especially in areas with less cng gas stations.

Your new tags breaks the existing tag system of the fuel key and we do not tag for applications.

--René Falk (talk) 14:56, 15 February 2013 (UTC)

which Octane rating system ?

The proposed chart looks good, but it leaves me somewhat confused as to which octane system the numbers represent (RON, MON or AKI). Most US fuel stations (at or near sea level) dispense an ethanol blend with a pump rating of 87, 89 and 91. Based on the octane wikipedia page, those numbers appear to be AKI. A few stations also dispense intermediate grades of 88 and 90 AKI.

Generally all stations dispense the basic 3 grades (with local variations based on laws or altitude). A smaller number of stations (possibly 20%) also dispense ultra-low sulfur diesel. Beyond that, a smaller group (1-5%) may also dispense an off-road grade diesel (i.e. no road taxes, for farm/industrial use) which may contain an indicator dye.

Issues that need to be addressed...

1. What octane rating system are the numbers being exposed here ?

2. There needs to be at least one other ethanol choice, for the mid-grade sold in the US (nominally 89 AKI, 10% ethanol).

3. There needs to be a choice for off-road diesel (which may be called farm diesel in some locations).

more information on octane here ... Octane rating

--RayOnTheFarm 17:18, 23 September 2012 (BST)

The octane system for gasoline here is RON. Take a look to Gasoline+Octane rating --René Falk 11:36, 7 November 2012 (UTC)


> SVO fuel:svo=yes

I've no idea where this tag comes from. But in my region, there is SVO = Stromversorgung Osthannover, which is a regional supplier for electricity and natural gas. They also offer hi-caloric compressed natural gas (CNG) for vehicles at at least two stations: [1]. So, if SVO means this SVO then one should use the CNG tag rather than SVO. Andreas --Hundehalter 18:59, 19 November 2012 (UTC)


Heating oil

In France (at least) there is pumps that deliver eating oil (Fioul in french). I propose the key fuel:heating_oil. Any disagreement ?


AdBlue is one of the many trademarks for this product. The correct and brand-agnostic term is DEF: Diesel Exhaust Fluid. I suggest to use fuel:DEF=* i.s.o. fuel:AdBlue=*. There are currently approx. 130 instances where this tag is used, so it's still feasible to fix it. See and Diesel exhaust fluid. The Talk section of the wiki page shows quite a bit of commotion about references to specific brands, so we should use neutral names where possible. Gilbert54 08:52, 2 September 2013 (UTC) On second thought it might be good to use yes/no for the value if the mapper can't determine the exact brand and actually put in the brand name if it is known. While AdBlue is probably one of the best known products, there are dozens of other brands on the market:

Gilbert54 19:41, 3 September 2013 (UTC)

Diesel S10 and Diesel Ativada S10 and Octane numbers in Brazil

In Brazil, in addition to Diesel (Comum) and Biodiesel, some fuel stations also supply Diesel Podium S10 (Petrobras), Diesel Ativada S10, Diesel Extra Ativada S10 and Diesel Comum S10. Petrobras informs about this on the following page.

Also Octane numbers used are 87 (Comum and Ativada), 91 (Premium), and 95 (Podium). Generally the product name (Comum/Ativada/Premium) are marked on the pumps, and not the octane number. Some pumps have a small sticker with R+M/2 and a value, but this sticker is very uncommon and almost never readable from the vehicle. --Skippern (talk) 16:14, 25 April 2014 (UTC)

Maybe a bit too specific?

I think this is a bit too specific. Do I really need to know the exact chemical composition to tag a fuel station??? Why not just tagging as "gasoline", and then add a subtype if wished? => I'm just struggling because a want to tag a fuel station for boats in a harbor, which offers gasoline, but not diesel. This information is important. We do not really care which type of gasoline. So I would prefer having just a tag "fuel:gasoline=yes". O.k. I will also tag "fuel:diesel=no", but it looks a bit strange to me to tag a fuel station and then only say what it does NOT have ... --Nounours77 (talk) 20:32, 13 April 2015 (UTC)

Marine fuel

I have used fuel:mgo=* and/or fuel:mdo=* (Marine Gas Oil and Marine Diesel Oil) for fuel stations offering marine fuel. MDO is technically normal diesel, though in some countries they are with different additives due to tax regulations etc. On this scope also is possible to add other marine fuels such as fuel:hfo=* though I haven't tagged any places specifically delivering this. --Skippern (talk) 20:14, 18 April 2015 (UTC)

Hydrogen variations

The current scheme only specifies a tag for "Liquid hydrogen at high pressure" . I am uncertain if there are different kinds of Fuel Hydrogen and/or fueling systems/nozzles at stations around the world, as "Hydrogen fuel stations" have only recently started to appear in my area, and the one I have visited in person doesn't signpost the form of the hydrogen coming out of their pump, just that it is Hydrogen for cars and a price per 0.1 kg .

The local station I am aware of has a nozzle handle that resembles those for gasoline, and the driver is supposed to open a fuel lid on their car and hook it up almost like when refilling a gasoline car. It is definitely different from the robotic system previously showcased in PR videos by some manufacturers. The station is a prefabricated design by "H2 Logic".

For now, I will use the existing tag for the station, though I am unsure if this is high pressure liquid hydrogen at ambient temperature, cryogenic liquid hydrogen at ambient pressure or just pressurized gaseous hydrogen.

Fuel:electricity=yes removed

I removed fuel:electricity=yes since the amenity=charging_station proposal can be considered in use. I also removed the example tagging for charging_station since it was incomplete and used the undocumented system=* Key.--Jojo4u (talk) 12:23, 1 October 2016 (UTC)