This chapter focuses mainly on technologies applicable to light and heavy duty road vehicles, and surveys other modes as well as systems-level technologies for the improvement of energy use across the transportation system.
This chapter examines the opportunities for improvements in energy and materials utilization within three spaces: individual manufacturing processes and unit operations; goods-producing facilities, including manufacturing business processes; and manufa...
This chapter examines the opportunities for improvements in energy and materials utilization within three spaces: individual manufacturing processes and unit operations; goods-producing facilities, including manufacturing business processes; and manufa...
This chapter describes the next generation of research opportunities in building energy technologies.
This chapter describes the current status and future outlook for power generation technologies, and identifies RDD&D directions that will contribute to a portfolio of technology options that can meet future regional demands. A combination of flexible ...
The electric power system is facing increasing stress due to fundamental changes in both supply and demand technologies. Advances in the power system are needed to address these issues and ensure system reliability. The research needs that can help rea...
This chapter presents a holistic view of the energy system and explores the opportunities in energy systems research. Systems approaches can help to identify critical technology needs and can also be used to develop solutions to complex energy challen...
The introductory chapter of the 2015 Quadrennial Technology Review frames the R&D opportunities, explored in the remainder of the report, in context. It summarizes the state of the system, recent changes, strategic objectives and fundamental challenges.
The 2015 Quadrennial Technology Review (QTR) examines the status of the science and technology that are the foundation of our energy system, together with the research, development, demonstration, and deployment (RDD&D) opportunities to advance them. I...

Learn about some of the key milestones in one of the most important inventions of modern times -- air conditioning.