Royal Dutch Shell CEO, Peter Voser, says energy efficiency technology is a must-have to help feed a world with a growing appetite for energy, but the same can’t be say for alternative energy sources such as wind and solar. Voser discussed his thoughts on the future of energy during a Churchill Club event...

Royal Dutch Shell Plc's CEO challenged major technology firms to speed up the pace of energy-related innovation, admitting his own industry had trouble thinking "outside the box"....