Field notes

Practical writing about fuel & habits

Short, honest posts on mileage maths, the small driving habits that add up, and the engineering behind FuelNote.

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FuelNote

How to calculate cost per kilometre (and why it's the only car number that matters)

A simple, honest guide to calculating your real cost per kilometre — covering petrol, diesel, and the maintenance hidden in between. Includes worked examples in km/L, MPG and L/100km.

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