The world greatly relies on the usage of liquid fuels for its energy needs, especially in the transportation sector, which is very high in developing countries. In countries like India, diesel fuel is mainly used for all its transportation requirements (considering its higher efficiency), leading to higher pollution. Many kinds of research works are conducted to find a replacement for diesel fuel. In which biodiesel is considered to be a potential replacement for diesel. However, the challenges like higher viscosity, lower calorific value, higher NOx emission stands as a huge barrier. To overcome this, this study proposes using a low viscous biofuel, which has a higher calorific value close to diesel. To reduce NOx emission, the exhaust gas recirculation (EGR) technique is used in this study. A single-cylinder, constant speed, water-cooled stationary engine setup is used for this study. 20% of pine oil is blended with diesel, and 10ml of 1,4, dioxane additive is added. These blends are tested in the engine for different load conditions (0, 25, 50, 75 and 100%) with and without 10% EGR. The results showed that pine oil usage negatively affected the performance characters but significantly reduced CO, HC, and Smoke emissions (15.94, 17.04 and 2.47% respectively). The 10ml of 1,4, dioxane further enhanced this reduction (32.61, 28.15 and 4.36% respectively). The 10% EGR usage negatively affected both performance and emission characters, but it reduced NOx emissions significantly (11.53%). This study provides an integrated way to overcome the challenges seen in biodiesel usage with a low viscous biofuel and exhaust gas recirculation technique.

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