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Alternative Fuels - Properties

Properties of alternative fuels like Biodiesel, E85, CNG and more

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Properties of some alternative fuels:

For full table with SI units and LHV values - rotate the screen!

Fuel Cet.No1) RON2) MON2) Density
[lb/gal(US liq)]
Density
[kg/m3]
LHV3)
[Btu/gal]
LHV3)
[Btu/lb]
LHV3)
[kJ/kg]
LHV3)
[kcal/kg]
100% Ethanol 8 109 90 6.6 791 75600 11500 26750 6390
E85, 85% Ethanol   105 89 6.5 779 83600 12855 30000 7170
10% Ethanol/gasoline   96.5 86 6.1 731 111000 18000 42350 10110
10% Ethanol/diesel 45     7.0 839 123000 17500 40950 9780
100% Methanol 5 109 89 6.7 803 56200 8400 19550 4670
100% Soy methyl-ester 49     7.3 875 120200 16500 38400 9170
B100, 100% Biodiesel 54       117000 15800 36750 8780
B20, 20% Biodiesel, 80% petrodiesel 46         18100 42100 10050
#2 Diesel 44     6.7-7.4 803-887 126000-130000 18000-19000 41900-44200 10000-10550
#1 Diesel 44     7.6 911 125800 16600 38600 9220
Gasoline   90-100 80-90 6 719 115400 19200 44650 10670
CNG - Compressed Natural Gas < 0 > 127 122     20400 47450 11330
LNG - Liquified Natural Gas < 0 > 127 122 3.5 419 78000 22300 51850 12390
LPG - Propane   109 96 4.2 503 83600 19900 46300 11050
DME - Dimethyl ether 55-60     5.6 671 74800 13600 31650 7550

1) Cetane number is a measurement of the combustion quality or ignition delay of diesel fuel during compression ignition
2) Octane number is a measure of the resistance of fuels to detonation or ignition. Research Octane Number (RON) is measured with an engine speed of 600 rpm, while Motor Octane Number (MON) is measured with an engine speed of 900 rpm.
3) LHV - Lower Heat Value - is the net amount of heat produced by combustion of a unit quantity of a fuel

How to measure density of liquid petroleum products

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