Guardian: The UK’s efforts to hit its renewable energy target are likely to be boosted by a near-25% fall in the cost of offshore wind turbines by 2025, engineers claimed today. But they warned that the prices may not fall – or could even rise – if the government cuts its financing of research and development, or if competition between wind turbine makers or improvements in technology do not materialise. Last week the Carbon Trust, which has an offshore wind accelerator R&D fund, was named …