Renewable energy, driver-less cars, and the possibility of a carbon tax. These topics take centre stage at a roundtable discussion about energy in the future economy, moderated by Straits Times Editor Warren Fernández. The panellists are Goh Swee Chen, chairman of Shell Singapore; Prof Subodh Mhaisalkar, executive director of Nanyang Technological University's Energy Research Institute; Jessica Cheam, editor of Eco-Business; Frank Phuan, director of Sunseap; and Dr Alvin Yeo, director of industry development, Energy Market Authority.