April 17 (UPI) -- A federal judge on Friday blocked a lawsuit against the state of Hawaii that the federal government filed to prevent it from suing oil companies. The Department of Justice last year sued Hawaii to stop a suit against fossil fuel companies for the impact of climate change on the state, but Senior Judge Helen Gillmor of the U.S. District Court in Hawaii said they it has no standing, The Hill and The New York Times reported. In the ruling, Gillmor said that an "abstract,