LONDON--(BUSINESS WIRE)--ACE Group today added ACE Travel Smart, a new mobile app, to its comprehensive business travel insurance proposition as it continues to invest in its offering for Europe-based businesses with international exposures. According to ACE research, 86% of European businesses say their reliance on business travel remains as high as ever despite the advent of new technology1. ACE Travel Smart has been developed to help employers to fulfil their duty of care and mitigate the ri