Testing with full tank method

Full tank method

The full tank method is often used to measure actual fuel economy. The full tank method calculates the distance traveled and the amount of fuel consumed starting from the car with a full tank of fuel until filling it up again.

Trip meter mileage ÷ Amount of fuel consumed = Actual fuel economy

STEP 1

Fill up the gas tank at a gas station

STEP 2

Reset the trip meter and start running

STEP 3

Drive long distances for averaging

STEP 4

Record the amount refueled

STEP 5

Calculate fuel economy

Demonstration test

  • Test Date: August 24, 2024
  • Vehicle: Nissan SYLPHY
  • Fuel Tank: 52 ℓ

We filled up the tank at a gas station in Kobe and set off, then refueled in Tottori, about 270 km away. After filling up with GEONE, we drove the same route from Tottori to Kobe, recorded the distance traveled and the amount refueled, and compared the fuel economy with gasoline only and after filling up with GEONE.

Going

From Idemitsu Self Sannomiya SS (Kobe) to Apollo Station Self Sakaiminato (Tottori)

  • Mileage: 269.30km
  • Amount of fuel: 14.21ℓ
  • 269.30÷14.21 = 18.95km/ℓ

Returning

From Apollo Station Self Sakaiminato (Tottori) to Idemitsu Self Sannomiya SS (Kobe)

  • Mileage: 269.60km
  • Amount of fuel: 12.51ℓ
  • 269.60÷12.51 = 21.53km/ℓ

Result

2.62km/ℓ Up

This means that a full tank of 52ℓ can run approximately 136 km longer.

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