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Two petrol stations visible from each other can still charge prices that differ by 8p a litre. It is not an illusion. Local fuel-price variation in the UK is real, persistent and l...
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A 2-mile school run costs more per mile in fuel than a 20-mile motorway run in the same car. The reason is mechanical: every time you start a cold engine, it runs on a richer fuel...
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If your nearest forecourt is also your only forecourt, you already know the price is higher. What is less obvious is why.
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Bank holiday congestion adds to your fuel bill in three ways: idle burn in stationary traffic, higher prices at motorway services when your tank is low, and fuel used on detours th...
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The difference between the most and least expensive petrol in London is rarely just a few pence. Between a central zone forecourt and a supermarket station on the North Circular, t...
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If you drive diesel, you have probably noticed it. Petrol prices fall on the forecourt, oil prices drop in the news, and your diesel pump price barely moves.
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Servicing a car costs real money upfront. With fuel prices still high, it’s fair to ask whether keeping up with oil changes, tyre pressures and filters actually saves enough fuel t...
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Your car uses more fuel in winter. Some of that is unavoidable because cold engines run richer, cold air is denser, and more electrical systems are in use.
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Both arguments are right, but in different conditions. Air conditioning places a mechanical load on the engine via the compressor, which costs fuel. Open windows create aerodynamic...
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A roof box or bike carrier increases aerodynamic drag, and drag costs more fuel per mile as speed rises, not in simple proportion, but disproportionately. At 70 mph the engine work...
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Underinflated tyres increase rolling resistance and raise fuel consumption. That part is well known.
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An empty forecourt is an inconvenience, not an emergency, unless your tank is already very low. Most localised fuel disruptions in the UK resolve within hours or a few days, and th...
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