NIGERIAN and foreign companies that were granted licences in 2015 to mine coal and generate power from it have made little or no progress, according to a motion put forward in Nigeria's House of Representatives. Lack of electricity is one of the biggest and most intractable problems affecting Africa's most populous country, where power cuts lasting hours or days are commonplace and millions of people have no access to any electricity at all. The motion, by lawmaker Patrick Nathan Ifon, which the House is expected to pass later, says that licences were granted to 36 companies with the aim of…