Alternative Fuels Properties

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

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Properties of some alternative fuels are indicated in the table below.

Fuel Cetane Number Research Octane Number Motor Octane Number Density
(lb/gal)
LHV
(Btu/gal)
LHV
(Btu/lb)
DEE
(gal)
DEE
(lb)
100% Ethanol 8 109 90 6.6 75600 11500 0.59 0.66
E85, 85% Ethanol   105 89 6.5 83600 12855 0.64 0.72
10% Ethanol/gasoline   96.5 86 6.1 111000 18000 0.86 1.39
10% Ethanol/diesel 45     7 123000 17500 0.95 1.01
100% Methanol 5 109 89 6.7 56200 8400 0.44 0.48
100% Soy methyl-ester 49     7.3 120200 16500 0.93 0.95
B100, 100% Biodiesel 54       117000 15800    
B20, 20% Biodiesel, 80% petrodiesel 46         18100    
#2 Diesel 44     6.7-7.4 126000-130000 18000-19000 1 1
#1 Diesel 44     7.6 125800 16600 0.98 0.95
Gasoline   90-100 80-90 6 115400 19200 0.89 1.1
CNG - Compressed Natural Gas < 0 > 127 122     20400   1.17
LNG - Liquified Natural Gas < 0 > 127 122 3.5 78000 22300 0.6 1.28
LPG - Propane   109 96 4.2 83600 19900 0.65 1.14
DME - Dimethyl ether 55-60     5.6 74800 13600 0.58 0.78

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Related Topics

  • Combustion Boiler house topics - fuels like oil, gas, coal, wood - chimneys, safety valves, tanks and combustion efficiency

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