LA Times: Arnold Klann has a green dream. It began 16 years ago in a sprawling laboratory in Anaheim. This year, he hopes, it will culminate at a Lancaster garbage dump. There, in the high desert of the Antelope Valley, Klann’s company, BlueFire Ethanol Fuels, plans to build a $100-million plant to convert raw trash into an alcohol-based fuel that will help power the cars and trucks of the future. It’s just the sort of improbable concoction that California is now demanding. On …