Decarbonization for workshops | Complete checklist for workshops

Fuel consumption is one of the biggest concerns for both private drivers and transport companies and workshops. A vehicle that uses more fuel than necessary not only means additional cost but also increases pollutant emissions and the risk of breakdowns.Engine decarbonization is one of the most effective solutions to optimize performance, recover lost power, and significantly reduce fuel consumption.In this article, we explain what fuel consumption is, how to calculate it correctly, what factors affect it, and how decarbonization helps improve a vehicle’s energy efficiency

What is fuel consumption?

Fuel consumption is the amount of fuel a vehicle needs to travel a certain distance. It is usually expressed in liters per 100 kilometers (L/100 km), although in the United States the most common unit is miles per gallon (mpg).It is a direct indicator of the engine’s energy efficiency: the lower the consumption, the more efficient the vehicle is.

How to calculate a vehicle’s fuel consumption

Although manufacturers provide official consumption figures, real-world results can vary depending on driving style and conditions. That’s why it is best to calculate it manually for accurate data.

Formula to calculate consumption in L/100 km

The formula is very simple:

Consumption (L/100 km) = (Liters filled / Kilometers driven) x 100

Example with real data:Kilometers driven: 550 km. Liters filled: 35 liters.

Consumption (L/100 km) = (35/550) x 100 = 6.364 L/100 km

In this case, the vehicle’s real consumption is 6.4 L/100 km, which can be compared with the manufacturer’s official values.

Factors affecting fuel consumption

Fuel consumption doesn’t depend solely on the engine, but on multiple variables that influence it to a greater or lesser extent:Driving style

Aggressive driving with sudden acceleration and braking increases consumption by up to 40%.
Smooth, anticipatory driving reduces it by 15%–20%.

Vehicle condition

Dirty filters, worn spark plugs, a clogged EGR valve, or injectors with carbon buildup can drastically increase consumption.
Preventive maintenance with regular cleanings is essential for maintaining efficiency.

Road conditions

City traffic with frequent stops: higher consumption.
Highway driving: more stable and efficient consumption.
Steep hills and poor road conditions also increase fuel usage.

Use of air conditioning

The A/C compressor increases consumption by 5% to 15%, depending on outside temperature and power used.

Impact of decarbonization on fuel consumption

Carbon buildup in the engine is one of the main causes of increased fuel use. These deposits directly affect:

Injectors: poor fuel atomization leads to a weak mixture.
EGR valve: clogged, it causes improper gas recirculation.
Intake and manifolds: reduce airflow and combustion efficiency.
Turbo: loses boost capacity, affecting overall performance.

Professional decarbonization, whether through disassembly and chemical techniques or ultrasonic cleaning, removes these deposits, achieving:

Recovery of up to 15%energy efficiency.
Fuel consumption reduction of 0.5–1.5 L/100 km, depending on the engine’s condition.
Lower pollutant emissions associated with incomplete combustion.

That’s why workshops that use equipment such as Oxyhtech NOVA and ULTRA offer their customers not only more power but also direct fuel savings.

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Tips to reduce fuel consumption

In addition to decarbonization, there are several practices that help optimize fuel use:

Keep tires at the correct pressure: underinflation increases consumption by up to 10%.
Avoid excess weight in the trunk: every additional 100 kg increases fuel use by about 5%.
Turn off the engine during long stops: idling wastes unnecessary fuel.
Use higher gears at low RPMs whenever possible to reduce engine strain.
Plan routes: avoid traffic jams and roads with too many stops.
Check filters, spark plugs, and injectors regularly: keeping the engine clean is the key to efficiency.

Conclusion: decarbonization, an investment in savings and efficiency

Fuel consumption is a determining factor in the cost of vehicle use and its environmental impact. A car with a clean engine uses less fuel, pollutes less, and responds better to the driver.Professional decarbonization is the most effective tool for recovering lost efficiency, extending the life of components, and reducing costs for both private drivers and company fleets.For workshops, offering this service with advanced Oxyhtech equipment means providing added value that builds customer loyalty and improves profitability.Ultimately, reducing fuel consumption is not just about saving on fuel: it is also a direct contribution to a cleaner and more sustainable mobility model.

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What can cause high fuel consumption?

High fuel consumption in a vehicle can be caused by several factors. These include a poorly tuned engine, underinflated tires, excess weight, improper gear usage, and poor maintenance. These problems increase the actual liters consumed per 100 kilometers, reducing fuel efficiency.

What is considered good fuel consumption?

Good fuel consumption is generally considered to be between 5 and 8 liters per 100 kilometers for passenger vehicles. This range can vary depending on the type of vehicle and driving conditions, but real-world consumption within these parameters is considered efficient.

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