Headline: Superconductivity and the environment: a Roadmap [Section 2: S. Eckroad and A. Marian, Long-distance DC transmission of green power]

Nishijima, S., Eckroad, S., Marian, A., Choi, K., Kim, W. S., Terai, M., Deng, Z., Zheng, J., Wang, J., Umemoto, K., Du, J., Febvre, P., Keenan, S., Mukhanov, O., Cooley, L. D., Foley, C. P., Hassenzahl, W. V., & Izumi, M. (2013). Superconductivity and the environment: a Roadmap [Section 2: S. Eckroad and A. Marian, Long-distance DC transmission of green power]. Superconductor Science and Technology, 26(11): 113001. doi:10.1088/0953-2048/26/11/113001.