@techreport{US-Department-of-Energy-DOE-2021-1507231,
  author = {US Department of Energy (DOE)},
  title = {Challenges and Opportunities for Airborne Wind Energy in the United States},
  institution = {US Department of Energy (DOE)},
  year = {2021},
  month = {nov},
  address = {Washington, DC},
  url = {https://www.energy.gov/sites/default/files/2021-12/report-to-congress-challenges-opportunities-airborne-wind-energy-united-states.pdf},
  keywords = {Wind Energy},
}