Reuters: Swedish energy company Vattenfall opened a small coal plant in Germany on Tuesday which will produce almost carbon-free power in a test of technology that could help the fight against climate change. The project will produce enough electricity for a town of 20,000 people to pilot a process called carbon capture and storage (CCS), which supporters hope can tackle both energy security and climate change woes. At 30 megawatts the pilot is still less than one tenth the size of a …