This Sunday there was article in the Mobile (Alabama) Press-Register that continued to illuminate the real world implications of the confusing and troubling story of the paper industry's second big windfall in the past year from taxpayers for continuing to burning its black liquor waste. (Article from Mobile also has a good summary of how we got here, in addition to the interest new case studies)
"The $1.01 cellulosic biofuel producer credit is a tax credit put in place by the 2008 Farm Bill and administered by the Internal Revenue Service. The act's language requires that among other things, in order to qualify as cellulosic biofuel, the fuel must meet "the registration requirements for fuels and fuel additives established by the Environmental Protection Agency under section 211 of the Clean Air Act (42 U.S.C 7545)." These registration requirements are applicable only to motor vehicle gasoline, motor vehicle diesel fuel, and additives for these fuels. Our understanding of black liquor is that it is a byproduct of the paper milling process with the consistency of molasses."