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Latest fuel-saving guidance focused on Fuel Saving from PetrolSavings editorial.
Eco mode does save fuel. The changes it makes are real, and in the right conditions they produce a genuine if modest improvement in economy. The catch is that what Eco mode changes...
Older cars often do use more fuel. But the reason is rarely just age. The most useful distinction is between genuine mechanical wear that accumulates over time, maintenance neglect...
Using a higher gear during steady cruising at the right speed does save fuel. The same gear at the wrong speed, engine struggling, throttle pressed further than it should need to b...
Extra passengers do use more fuel, but in most conditions the effect is smaller than drivers expect. The penalty is most noticeable in stop-start urban driving and on hills; at mot...
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...
If your nearest forecourt is also your only forecourt, you already know the price is higher. What is less obvious is why.
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.
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...
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...
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...
Cruise control saves fuel on a flat, clear motorway. On a hilly A-road, in moving traffic, or into a headwind, the same system can quietly use more fuel than driving manually.
Switching off a warm engine in a stationary queue does save fuel. How much you save, and whether you should do it manually or let the car handle it, depends on what you are driving...
