1. Khosla Ventures focuses on investing in clean technology areas like biofuels, solar, batteries, and new materials to replace petroleum and reduce carbon emissions. They have 4 major investment areas: reducing oil use, cleaning up coal power, higher efficiency devices, and replacing carbon-intensive materials. 2. Khosla Ventures evaluates investments based on criteria like targeting problems that can significantly reduce emissions, achieving unsubsidized competitiveness quickly, having scalability to replace fossil fuels, manageable startup costs and short innovation cycles, and declining costs as the technology scales up. 3. Examples of technologies discussed are cellulosic ethanol, concentrated solar power, and geothermal as potential large