| Nomenclature: | |||
| ICE | Internal combustion engine | HE5 | Hydrous ethanol 5 |
| CO | Carbon monoxide | HE10 | Hydrous ethanol 10 |
| CO2 | Carbon dioxide | WC | Water concentration |
| E5 | Ethanol 5 | AEAC | Anhydrous ethanol fuel |
| E10 | Ethanol 10 | AEHC | Hydrous ethanol fuel |
| MFB | Mass fraction burned | NOx | Nitrogen oxide |
| HC | Hydro carbon | DC | Direct current |
| λ | Lambda | SO2 | Sulfur dioxide |
| ECU | Engine control unit | PPM | Parts per million |
| RON 91 | Rating octane number 91 | RON 95 | Rating octane number 95 |
| G 91 | Gasoline 91 | G95 | Gasoline 95 |
| EPA | Environment protection agency | FI | Fuel injection |
| GHG | Greenhouse gases | E0 | Gasoline |
| SI | Spark ignition | MBT | Maximum brake torque |
| THC | Total hydrocarbon | H2 | Hydrogen |
| IC | Internal combustion | CU | Control unit |
| O2 | Oxygen | PC | Personal computer |
| RPM | Revolution per minute | Syngas | Synthesis gas |
| OHV | Overhead value | ˚C | Celsius |
| BSFC | Brake specific fuel consumption | NO2 | Nitrogen dioxide |