By Huw Jones LONDON (Reuters) – The European Central Bank (ECB) on Friday rejected calls from Europe’s banks to ease capital rules to boost lending and put them on an equal footing with U.S. rivals. The ECB was responding to a report from the European Banking Federation and consultants Oliver Wyman which said that while banking regulation is internationally coordinated by regulators, differences remain in how the rules work in practice, and how they are implemented. “A review of the current capital requirements and supervisory processes could free up capacity for approximately 4-4.5 trillion e…