Fuel  Type

Heat of Combustion kj/kg

Specific Gravity

Diesel Fuel

Sun Flower Biodiesel

Cotton Seed Biodiesel

Soya Bean Biodiesel

Rape Seed Biodiesel

Pawpaw Seed Biodiesel

WCO

43350

40579

40580

39760

37620

45342

45479

0.815

0.878

0.874

0.872

0.914

0.867

0.858


(Doysan, 1999; Paksoy, 1999; Recep Altim et al., 2000, Owolabi et al, 2011 (This Study)
Table 4: Heat of a Combustion and Specific gravity of other vegetable biodiesel fuel compared to WCO biodiesel fuel.