Current Accepted Blends

Pure biodiesel (B100):

Favored in pristine environments such as National Parks, U.S. ports
and major waterways.

Blended biodiesel (B20):

Used in proactive fleets such as the U.S. military, various State
Departments of Transportation, commercial users, bus fleets and
marine applications.

Low blends (B2, B5):

General blends for diesel and heating oil. The B5 blend is approved
by most Original Equipment Manufacturers (OEM’s).

Courtesy of the National Biodiesel Board (NBB)