1. Food, Fuel, Global Warming, and the RFS Nathanael Greene Director of Renewable Energy Policy September 10, 2008

2. Since Transportation is One-Third of Problem, It Must be Part of Solution 2007 US Greenhouse Gas Inventory by Sector Source: EIA, Annual Energy Outlook 2007

3. 2050 80% Climate Stabilization Target: Four Key Strategies Cars and Light Trucks Vehicle Efficiency (78 mpg by 2050 ) Reduced Driving (16% below forecast) Clean Electricity (Plug-in Hybrids) Advanced Biofuels (58B gallons of etoh) 1 2 3 4 Source: NRDC analysis

6. Biofuels Plus Direct Land-use Change Growing feedstock Refining Driving Clearing new land for feedstock

7. Biofuels Plus Indirect Land-use Change Growing feedstock Refining Driving Clearing new land for feedstock Market dynamics

8. Searchinger et al. in Science Growing feedstock Refining Driving Clearing new land for feedstock Market dynamics

10. Lifecycle GHG standards + renewable biomass safeguards