(AP) - A project to use a giant grass for a biofuel is back on the drawing board after several problems arose during a test burn.
The grass, which is being grown in three regions in Missouri and Arkansas, is part of a federal program with MFA Oil to create a biofuel at Columbia's municipal power plant.
A test burn last October didn't go well. Some of the grass pellets disintegrated and often combusted too quickly.
In 2011, a subsidiary of MFA Oil received $14.6 million in federal funding under the Biomass Crop Assistance
MFA Oil attributed the problems to Columbia's older power plant technology and equipment. More tests are planned.