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We launched worldwide fuel prices and a route calculator on top
You are planning a route across four countries and trying to estimate the fuel bill. You open one site for Georgia, another for Turkey, a third for Greece — different currencies, different units, and nowhere is it clear what this means for your tank. To stop this from repeating, we launched a section with fuel prices for 100+ countries and built a route calculator on top of it.
Two months ago we wanted to estimate fuel costs for a trip across several countries and realized there is no such tool anywhere. One site has prices for a single country, another is an aggregator without units, a third has a table from a year ago. So we sat down and built our own.
A hundred countries, one table, any currency
Once a week the OpenVan.camp Editorial team walks through official sources — ministries, statistical agencies, local gas-station aggregators. The base has 14 fetchers across 100+ countries: gasoline and diesel prices are collected, a weighted average across several sources is calculated and dropped into the admin panel. Then an editor manually cross-checks the dump and publishes — no auto-commit on the data, because one broken parser would ruin the whole table. We have already caught broken prices a few times before they hit the site.
On a country page the prices are shown in any currency, next to them — how much 100 km and a full tank will cost for your car, a chart of changes over recent months and a "where fuel is cheapest" widget across the neighbours.
A route calculator that knows where to fill up
Once you have data for 100+ countries, it makes sense to build a trip cost calculator on top of it. You enter the route waypoints, consumption, tank size — it counts the kilometres in each country, the fuel price in each, and tells you where it is cheaper to fill the tank. Here is an example route Antalya — Paris — five countries, five different diesel prices, with almost a two-fold gap between the cheapest and the most expensive. On a full 60-litre tank the savings reach up to 40 euros if you pick the right country to fill up in.
How the weighted average is calculated
For each country we take from two to five sources: official statistics (if available), an industry aggregator and local gas-station networks. Each source has a weight — the closer to the primary source, the higher. The final price is the weighted average over a week. Weights are tuned manually and revisited whenever a source breaks.
A free API — because data like this is not openly available anywhere
While we were building the database, we realized: aggregated fuel data with this kind of coverage simply does not exist in the open. So we opened up a free API — grab country prices, pull the history, do your own maths. Developer documentation — with examples, limits and attribution. Within a couple of months a dozen apps and sites are already using it; if there is demand, the work was worth it.
What not to expect
Official sources are not everywhere — for several countries in Africa and Oceania prices arrive a week or two late. The prices are country averages, so a specific gas station up in the Armenian mountains may be pricier than one in Yerevan. And none of this makes filling up any cheaper. It just means that, before you head out across four countries, you at least know what number to brace for on the receipt.