The document discusses the current members and focus of the Working Group II Technology Issues group. It asks what mix of energy sources and technologies could deliver a sustainable energy future with cheap, plentiful, and environmentally benign energy accessible to all. It then discusses various time scales for carbon management and planning cycles. It focuses on issues like carbon dioxide mitigation technologies, other greenhouse gases, and industrial sectors. It also discusses the potential of various energy technologies at different capacities and scales, as well as resource, conversion, and carrier options to develop visions and scenarios.