Research Article
Sustainability and Environmental Impact of Ethanol and Oxyhydrogen Addition on Nanocoated Gasoline Engine
Table 2
Properties of gasoline, ethanol, and oxyhydrogen.
| | Fuel properties | Gasoline | Ethanol | Oxyhydrogen | ASTM testing methods |
| | Chemical formula | C8H18 | C2H5OH | HHO | — | | Density at 20°C (kg/m3) | 764 | 787 | 602 | ASTM D4052 | | Molecular weight (g/mole) | 113.89 | 45.92 | 16.85 | ASTM D2502 | | Net heating value (kJ/kg) | 44000 | 26812 | 55000 | ASTM D240 | | Autoignition temperature (°C) | 256 | 361 | 584 | ASTM E659 | | Stoichiometric air-fuel ratio | 14.5 | 9 | 34 | ASTM D5291 | | Research octane number (RON) | 95 | 107 | 130 | ASTM D2699 | | Oxygen content wt.% | 0 | 35 | 33 | ASTM E385 |
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