Age: THE Rudd government’s showpiece renewable energy legislation has failed to spark a single major project in the six months since it was passed, prompting fresh claims Labor has failed to deliver on its environmental commitments. The failure of the 20 per cent renewable energy target is blamed on a poor design that promotes domestic rooftop solar panels, heat pumps and solar hot water systems at the expense of wind farms. Renewable energy backers warned the design flaws were on …