【明報專訊】THE GOVERNMENT has started its scheme of control agreement negotiations with the two power companies. Environment Bureau officials responsible for them have said the government aims at bringing down their rates of return and seemed fully confident of the weight what they say may carry in dealing with the two power companies, which used to get whatever they would have in their negotiations with the government (which take place every decade). There is no finding out whether officials who take part in the talks have such greater prowess that they professionally rival experts on either of the power companies' teams.