Reliance of the fossil fuels throughout the world in industrial sector and transportation make these resources become highly in demand nowadays. As a result, the price of these fossil fuels becomes higher due to their limited condition. Diesel and coal may appear to be very practical fossil fuels however they are ecological threatening. The emission discharge from the fossil fuels is the purpose for unnatural weather change and ozone pulverization.
Therefore government all over the globe are forcing the employment of biodiesel which may scale back the emission that been discharge within the air. Biodiesel which area unit experimental modified from vegetable oils area unit primary substitution for original diesel fuels. However experimental testing by using totally vegetables oil in diesel engines was conduct and the result seem to be failing as a result of it higher viscousness. Thus to produce a good biodiesel the combination of vegetables oils and diesel fuel should follow the ratios that are created and also the method of combustion and fuel injection system must fully perceive.
In this research, rice bran and sunflower were selected as the main substitute to be biodiesel because it was easier to find in the markets due to the popularity of these two sources as cooking oils.
In Malaysia the likelihood to used rice bran oil is higher. This is because the economic process of paddy rice in Malaysia roughly calculable over 2.5 million tons which is it can create in excess of 250000 MT rice bran. Moreover, rice bran additionally comprises 60% of nutritive value which is good and eco-friendly to our environment.
In the meantime, sunflower grab unimaginable potential for reconciliation oil diesel utilize, particularly at the homestead scale. This is because sunflower yields well in different circumstances, and can be developed easily and gainfully in a little and bigger homestead. Other than have a high grade cooking oil, sunflower likewise share a identical oil structure with other vegetable oil such as soy and safflower Because of this causes, sunflower oil might be utilized as biodiesel with the end goal to get identical properties from soy biodiesel..