Guides
Longer reads that connect glossary terms to the way fuel prices actually work. Each guide is written to stand alone, and links out to the terms it uses along the way.
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How to compare fuel prices between countries
Why the same litre isn't the same price: currencies, units, grades and taxes.
Read the guideWhat makes up the price at the pump
Crude oil, refining, distribution and taxes, and why the split differs by country.
Petrol or diesel: which costs less to run?
Price per litre is only half of it. Fuel use, taxes and distance decide.
Why some countries have very cheap fuel
Subsidies, price caps and fixed prices, and what they mean for travellers.
EV running costs vs petrol: country-by-country
How to calculate and compare the per-km cost of an EV against petrol, with worked examples and a six-country table.
How fuel subsidy reform works
Why countries subsidise fuel, what it costs, and what happens to pump prices when the subsidy is removed.
How to read fuel price data
What national averages measure, how to read deltas and quality flags, and the traps to avoid when comparing countries.