It is still difficult for biofuel producers to prove the contribution of their biofuels to reducing carbon emissions because the production of biofuel feedstocks can cause land use change (LUC), which in turn causes carbon emissions. A carbon map can serve as a basis to proof such contribution....

Congress is likely to consider domestic climate change legislation during 2009, with a cap-and-trade system continuing to draw support from the Obama Administration and many leaders in Congress. Yet cap-and-trade regulations would take years for EPA to develop and implement, the desired price...