Fuel and Consumption

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The octane number on the pump won't fool you; the real difference that determines your engine's lifespan lies hidden in the detergent additive package placed in the fuel.

Can Cheap Fuel and Expensive Fuel Be the Same?

Deniz Erkan16 October 2026

The real difference between two gasolines of the same octane rating lies not in the price tag at the pump, but in the detergent additive package included in the formulation. Octane measures the fuel's resistance to self-ignition; it does not measure …

If your annual mileage is low and you drive in stop-and-go city traffic, a petrol engine is almost always the more sensible choice.

Gasoline or Diesel? Choosing Based on Engine Character and Usage

Deniz Erkan14 October 2026

There is no single correct answer to the petrol or diesel question; the right answer changes depending on the engine's character and your annual usage profile. Thanks to compression ignition, a diesel produces high torque at low revs and burns less o…

Octane rating is not a measure of the gasoline, but of the engine's fury; in a standard engine, high octane only shows up on the pump display.

Does High-Octane Gasoline Really Burn Less Fuel?

Deniz Erkan13 October 2026

No, high-octane gasoline does not measurably reduce fuel consumption in a standard engine. Octane rating measures the fuel's resistance to premature ignition - that is, knock - not its energy content. If your engine cannot use it, you will see the di…

The secret behind seeing 4 liters in the catalog is this: the WLTP value is not a race between cars, but a comparison reference measured under the same conditions.

4 Liters in the WLTP Lab, 6 on the Road: Where Does This Difference Come From?

Deniz Erkan12 October 2026

A gasoline car that consumes 4 liters in the WLTP laboratory may burn 6 liters on the road; this difference does not mean the vehicle is faulty. The catalog value is a comparison reference measured under standardized and repeatable conditions, while …

Eco driving is no exaggeration: when applied correctly, a measurable fuel savings of 6 to 20 percent in daily use has been documented.

Does Eco Driving Really Save Fuel?

Deniz Erkan12 October 2026

Yes, eco driving really does save fuel: when applied correctly, a measurable reduction of 6–20% has been documented in daily use, and the figure climbs even higher for those who give up aggressive driving. However, not every technique works the same …

Stop-and-go traffic consumes 30 to 50 percent more fuel compared to free-flowing highways, and the figure on the listing card is, in real life, a fantasy that slaps most drivers in the face.

City or Highway: Which Car Burns More Fuel? Understanding Your Consumption Profile

Deniz Erkan12 October 2026

Does the same car burn more fuel in the city or on the highway? Short answer: stop-and-go traffic typically consumes 30-50% more fuel compared to free-flowing highway driving. In other words, most internal combustion vehicles can never meet their adv…

Most common beliefs about fuel economy are urban legends left over from the carburetor era; measured data debunks them one by one.

Common Fuel Saving Myths

Deniz Erkan11 October 2026

Most of the common beliefs about fuel economy are either leftovers from the old carburetor era or approaches that spread by word of mouth. On this page, we put five common claims on the table one by one: does idling or stop-and-go burn more fuel, do …

With the right system, a suitable engine, and meticulous installation, LPG quietly reduces fuel cost per kilometer by 20-30 percent.

Before Switching to LPG: A Guide to Conversion, Maintenance, and Real Savings

Deniz Erkan11 October 2026

LPG conversion is a mechanical investment that turns a gasoline engine into a dual-fuel one, and when done with the right vehicle, the right system, and quality installation, it typically reduces fuel costs per kilometer by 20-30% However, this figur…