Primus Green Energy hopes to break ground next year on commercial plant. It may only amount to a drop in the bucket for a nation as thirsty for oil as the United States, but a Hillsborough company is betting it can convert wood pellets and other biomass into a renewable gasoline. Primus Green Energy, an 11-year-old company, already has produced fuel samples from a pilot plant located in a three-building complex off of Route 206, just north of Princeton. It now is building a demonstration plant at the facility and hopes to break ground next year on a commercial plant. http://bit.ly/xliEJs