A Review of Enzymatic Transesterification of Microalgal Oil-Based Biodiesel Using Supercritical Technology

Table 5

Comparison between different biodiesel sources [49].

Crop	Oil yield (L/ha)	Land area needed (M ha)^a	Percent of existing US cropping area^a
Corn	172	1540	846
Soybean	446	594	326
Canola	1190	223	122
Jatropha	1892	140	77
Coconut	2689	99	54
Oil palm	5950	45	24
Microalgae^b	136,900	2	1.1
Microalgae^c	58,700	4.5	2.2

^aFor meeting 50% of all transport fuel needs of the United States.
^b70% oil by wt in biomass.
^c30% oil by wt in biomass.