Global biofuel use is expected to increase twofold by 2015 and Brazil will remain the world's top exporter of biofuel, according to a report released Wednesday by Hart Energy Consulting.

The U.S. is expected to see the largest increase in biofuel use per country, increasing its current consumption by more than 30 percent, according to data from the "Global Biofuels Outlook: 2009-2015" report.

The overall increased use of biofuel in many countries around the world will make a dent in the world's consumption of traditional gasoline, according to Hart.