I am a bit worried about the US oil consumption. If the consume dosent decrease the economy wil decrease. US consumes 22.7% of all oil in the world. US only have 2% of the worlds oil reserves and US will be more dependent on import in the future. US only have 4.5% of the worlds total population, but still they consume allmost 1/4 of the worlds oil. US is heavily dependent on oil compared to other countries. The oil price will increase in the future years and the US oil production is falling and every year they get more and more dependent on oil import. The whole US transportation system is build up on the idea that every person has its own car, and except from some european like cities like Chicago, NYC, SF their are almost no public transportation excisting. LA most be the worst example of a sustainable city in the world. Their must be a large potential to reduce the oil consumption in a city like this to meet the future. The cost for transpotation will increase rapidly in the future and this will affect US a lot harder than any country in the world. As far as i know US dont have any electric railway system at all. In europe and Asia almost every railway system is electrified and they have high speed trains and modern railways that can transport large amounts of goods and people. In the future transport of goods and persons with plane and trucks will not be competitive with large scale electric train systems.. The cost for co2 pollution will also increase and this will affect the US economy largely. Here are som suggestions for a sustaniable future: **Increase taxes on gasoline a lot. (6$ pr gallon is a fine price as a start and comparable to europe.).( Price today 3.5$ is very low and should be increased) **Green taxes on cars with low fuel economy (SUVs for instance). In europe US suvs are so heavily taxed that it costs from 200.000$ and up. **Use the taxes from gasoline and cars to build high speed train networks between all major cities across the country. ++more, their is a large potential for reduction in the transport sector. Building wind and solar etc. is fine but the largest potential is in the transport sector by reducing the consumption. Is this a good idea as a start?