Pension changes could cost 11m Britons thousands of pounds

Government green paper discusses giving annual rises based on CPI, not RPI, which could cost average of £20,000 over lifetimeCompanies could slash pension promises to 11 million employees, potentially knocking thousands of pounds off the incomes of people in retirement, if proposals in a government consultation paper are approved.Unions are likely to react furiously to the proposals, which would allow companies to save £90bn by providing annual increases in their retired employees&rs