CON­VERT­ING FUEL TYPES

Element - - Nutrition -

Ve­hi­cle in­for­ma­tion spec­i­fies the type of fuel a car uses but it doesn’t in­clude the oc­tane rat­ing, e.g. 91, 95. Us­ing the av­er­age oc­tane rat­ing of fuel sold in New Zealand in 2005, a car that runs on petrol is con­verted us­ing these equa­tions:

PRE­MIUM PETROL -

L/100 km x 23.414 = CO2 grams/km

REG­U­LAR PETROL -

L/100 km x 22.847 = CO2 grams/km

PETROL (AV­ER­AGE) -

L/100 km x 22.961 = CO2 grams/km

DIESEL IS CON­VERTED TOO -

L/100km x 26.050 = CO2 grams/km

L/100 KM:

Litres per hun­dred kilo­me­tres trav­elled CO2 grams/km: Grams of car­bon diox­ide emit­ted per kilome­tre trav­elled The an­nual fig­ure is based on a ve­hi­cle trav­el­ling 14,000 km over a year.

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