A single cylinder diesel engine is an internal combustion engine where fuel is ignited by compressing air in a combustion chamber. In recent years, there has been growing interest in using alternative fuels in diesel engines to reduce environmental impact and promote sustainability. One such alternative fuel is coconut biodiesel, which is derived from coconut oil and has been found to have good combustion properties.

To enhance the performance and reduce the emissions of coconut biodiesel, researchers have explored the use of fuel additives. These additives can improve the properties of the fuel and enhance its combustion characteristics. The use of additive blends with coconut biodiesel has shown promise in reducing emissions and improving engine performance.

Studies have investigated the effects of using different types and concentrations of additives in coconut biodiesel blends, such as antioxidants, surfactants, and cetane improvers. These studies have shown that the use of additive blends can reduce emissions of pollutants such as nitrogen oxides (NOx), carbon monoxide (CO), and particulate matter (PM), while also improving engine power and efficiency.

The use of coconut biodiesel and additive blends in diesel engines has several advantages, including the use of a renewable and locally sourced fuel source, reduced emissions of harmful pollutants, and improved engine performance. However, further research is needed to optimize the use of these fuels in diesel engines and ensure their long-term viability and sustainability.

Overall, the use of single cylinder diesel engines with coconut biodiesel and additive blends shows promise as a more sustainable and environmentally friendly alternative to traditional diesel fuels.

Particulate matter (PM) or smoke emission and oxides of nitrogen (NOx

emissions) are the two important harmful emissions in diesel engine. Fuel companies and the

researchers around the world are devoted to reduce such emissions with different ways.

Fuel modification, modification of combustion chamber design and exhaust after treatments are the

important means to alleviate such emissions. In this context, engine researchers are hunting for

suitable alternative fuels to the diesel engine. Among different alternative fuels,

oxygenated fuel is a kind of alternative fuel. Diethylene glycol dimethyl ether (DGM), dimethoxy

methane (DMM), dimethyl ether (DME), diethyl ether (DEE), methyl tertiary butyl

ether (MTBE), dibutyl ether (DBE), dimethyl carbonate (DMC), methanol, ethanol and

Triacetin (anti-knocking agent for gasoline) have played their role to reduce diesel

emissions. These fuels can either be used as a blend with conventional diesel/biodiesel

fuel or as an additive or as a neat fuel. The presence of oxygen in the fuel molecular

structure plays an important role to reduce PM

and other harmful emissions from diesel engine.