You should use a correct term when addressing the people. I assume you mean people living in the US of A. America is a fucking fucking continent and if you exclude the people in the USA, the obesity is not such a problem at all :)

The money they spent on alternative fuel research is just for the media. The big players don't really want an alternative. At least not until the prices are driven as high as possible, so they can make profit. All they actually do is protecting the status quo.