Australia: Fuels: Diesel and Gasoline

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1 Overview

2 History

Fuel quality in Australia is regulated by the Department of Sustainability, Environment, Water, Population and Communities. Key regulatory instruments are the Fuel Quality Standards Act (2000) and the Fuel Quality Standards Regulations (2001).

The Australian Department of Sustainability, Environment, Water, Population and Communities maintains all information related to fuel quality (including diesel, petrol, autogas, and biofuel quality) on their fuel quality website.

3 Technical Standards

3.1 Diesel

Two groups of standards are applicable to diesel fuels:

  • Environmental Standards regulate fuel parameters that have a direct impact on the environment.
  • Operability Standards address those parameters of diesel that do not have a direct impact on emissions but, if not controlled, can have adverse impacts on the efficient operation of the engine.

Australia's environmental and operability standards for diesel fuels are summarized below. Complete information is available at the Australian government's diesel fuel quality page.

Diesel Fuel Standards
ParameterStandardTest MethodDate
Environmental Standards
Sulfur, max500 ppmASTM 545331 Dec 2002
50 ppm1 Jan 2006
10 ppm1 Jan 2009
Cetane Index, min46ASTM D47371 Jan 2002
Density820 - 860 kg/m3ASTM D40521 Jan 2002
820 - 850 kg/m31 Jan 2006
Distillation T95, max370°CASTM D861 Jan 2002
360°C1 Jan 2006
Polyaromatic hydrocarbons (PAHs), max11% massIP 3911 Jan 2006
Ash and Suspended Solids, max100 ppmASTM D4821 Jan 2002
Viscosity @ 40°C2.0 - 4.5 cStASTM D4451 Jan 2002
Operability Standards
Carbon Residue (10% distillation residue), max0.2% massASTM D453016 Oct 2002
Water and Sediment, max0.05% volASTM D270916 Oct 2002
Conductivity @ ambient temp, min50 pS/mASTM D262416 Oct 2002
Oxidation Stability, max25 mg/lASTM D227416 Oct 2002
Color, max2ASTM D150016 Oct 2002
Copper Corrosion (3 hrs @ 50°C), maxClass 1ASTM D13016 Oct 2002
Flash point, min61.5°CASTM D9316 Oct 2002
Filter Blocking Tendency, max2.0IP 38716 Oct 2002
Lubricity, max0.460 mm *IP 45016 Oct 2002
* all diesel containing less than 500 ppm sulfur

3.2 Gasoline

Australia's environmental standards for petrol fuels are summarized below. Complete information is available at the Australian government's petrol fuel quality page.

Environmental Standards for Petrol
Parameter National standard Grade Date of effect Test method
Sulfur 500 ppm (max) ULP/LRP 1 Jan 02 ASTM D5453
150 ppm (max) PULP  
150 ppm (max) All grades 1 Jan 05
50 ppm (max) PULP 1 Jan 08
Research octane number (RON) 91.0 RON (min) ULP 1 Jan 02 ASTM D2699
95.0 RON (min) PULP
96.0 RON (min) LRP
Distillation Final boiling point 210°C (max) All grades 1 Jan 05 Not specified
Olefins 18% pool average over 6 months with a cap of 20% All grades 1 Jan 04 ASTM D1319
18% max by vol All grades 1 Jan 05
Aromatics 45% pool average over 6 months with a cap of 48% All grades 1 Jan 02 ASTM D1319
42% pool average over 6 months with a cap of 45% 1 Jan 05
Benzene 1% max by vol All grades 1 Jan 06 ASTM D5580
Lead 0.005 g/L (max) All grades 1 Jan 02 ASTM D3237
Oxygen 2.7% m/m (max) All grades
(no ethanol)
1 Jan 02 ASTM D4815
3.9% m/m (max) All grades
(with ethanol)
1 Nov 07
Ethanol 10% v/v (max) All grades 1 Jul 03 ASTM D4815
Phosphorus 0.0013 g/L (max) ULP, PULP 1 Jan 02 ASTM D3231
MTBE
(Methyl tertiary butyl ether)
1% by volume (max) All grades 1 Jan 04 ASTM D4815
DIPE
(Di-isopropyl ether)
1% by volume (max) All grades 1 Jan 02 ASTM D4815
TBA
(Tertiary butyl alcohol)
0.5% by volume (max) All grades 1 Jan 02 ASTM D4815
Motor Octane Number (MON) 85.0 (min) PULP 16 Oct 02 ASTM D2700
81.0 (min) ULP 16 Oct 02
82.0 (min) LRP 16 Oct 02
Copper Corrosion
(3 hrs @ 50ºC)
Class 1 (max) All grades 16 Oct 02 ASTM D130
Existent Gum (washed) 50 mg/L (max) All grades 16 Oct 02 ASTM D381
Induction Period 360 minutes (min) All grades 16 Oct 02 ASTM D525

4 Links

4.1 Regulatory Documents

Fuel Quality Standards Act (2000)

Fuel Quality Standards Regulations (2001)

Fuel Standard (Automotive Diesel) Determination 2001

Fuel Standard (Petrol) Determination 2001

4.2 Notes

Department of Sustainability, Environment, Water, Population and Communities

Australian government's fuel quality page