The world is facing serious issue of environmental pollution and warming. Also, crude oil can become rare and faces severe shortfall within the close to future. Hence, this offers rise to researchers to seek out different fuel sources as alternate energy sources. Biodiesel is the fuel that has been thought of the best substitution for petroleum-diesel fuel as a result of it may be employed in any diesel-engine without any need of modification. Biodiesel is that the renewable fuel and additionally it's having sensible exhaust emissions as compare to diesel. Jatropha biodiesel, palm biodiesel and Calophyllum Inophyllum biodiesel falls within standard quality limits, hence they may be used as the alternative to diesel oil. The performance and exhaust emissions of Jatropha, palm and Calophyllum Inophyllum biodiesel are reviewed in this paper. Among the numerous biofuels available, vegetable oil is foremost economical in case of farmland usage, potency and productivity as it is the crop having oil carrying tendency. The problem associated with edible-vegetable biodiesel is that there's competition among oil as source of fuel or food. This makes edible oil not a perfect feedstock for production of biodiesel. Hence, more consideration is towards different non- edible oils like Jatropha oil, Calophyllum Inophyllum oil. Calophyllum Inophyllum oil may be being thought of as a possible fuel by following transesterification. However in comparison with Jatropha and vegetable oil biodiesel productions, biodiesel from Calophyllum Inophyllum continues to be in an exceedingly analysis state. Hence, long analysis and experimental studies got to be dole out previously considering this oil primarily based biodiesel as an alternate fuel to crude diesel. Keywords: