The world's largest offshore wind farm developer is preparing to walk away from US projects unless the Biden administration guarantees more support, Bloomberg reported. "We are still upholding a real option to walk away," Orsted CEO Mads Nipper told Bloomberg in an interview in London on Tuesday. Nipper continued, "But right now, we are still working towards a final investment decision on projects in America." The Biden administration has touted offshore wind farms as an essential component of decarbonizing America's grid,…