%, the hydroxygen-blended gasoline engine produced a higher thermal efficiency than the hydrogen-blended gasoline engine …. Both the additions of hydrogen and hydroxygen help reduce flame development and propagation periods of the gasoline engine …. HC emissions were reduced whereas NOx emissions were raised with the increase of hydrogen and hydroxygen addition levels …

could improve the combustion and emissions performance. … compared with that of the original SI gasoline engine. The engine was successfully cold started with pure DME and pure gasoline … original SI gasoline engine whereas the imep (indicated mean effective pressures) of the SI DME engine was effectively enhanced …

, with 5%, 10% and 15% (by vol.) ethanol, on the combustion and emissions of a standard, fully instrumented, four … loads. In each test, combustion chamber and fuel injection pressure diagrams are obtained using a specially developed, high … of the history in the combustion chamber of the gross heat release rate and other related parameters reveal some very …

operate with a finite resource petroleum fuel and emit large amount of harmful emissions. However, this engine configuration … lower thermal efficiency, slower burning rate, and higher CO (carbon monoxide) and HC (unburned hydrocarbon) emissions …

-cylinder pressure and temperature lead to increased NOx emissions while the more advanced combustion assists in the reduction of smoke … emissions, smoke, fuel consumption, engine efficiency, cylinder pressure and net heat release rate are analysed and presented …. The combustion of RME as pure fuel or blended with diesel in an unmodified engine results in advanced combustion, reduced …

stringent emission standards. Apart from air quality related emissions such as nitrogen oxides and particulates, also greenhouse … gas (GHG) emissions are likely to become of more and more importance. Furthermore, oil-based fuel availability might …

studied. The effects of the use of biodiesel from degraded raw material on combustion in engines are not discussed by …

increase, CO and HC emissions increase, while NO emissions are reduced. Also, methanol blends are more effective than ethanol … blends for reducing CO and HC emissions, while NO reduction is achieved by ethanol blends. …

With the increasing concern regarding diesel vehicle emissions and the rising cost of the liquid diesel fuel as well … conventional diesel fuel operation, suffers from low brake engine efficiency and high carbon monoxide (CO) emissions. In order to … exhaust emissions of a PINGD engine, a theoretical investigation has been conducted by applying a comprehensive two …