Funding for this research was provided by:
Office of Energy Efficiency and Renewable Energy (DE-EE0008483)
Text and Data Mining valid from 2020-05-08
Received: 9 September 2019
Accepted: 30 April 2020
First Online: 8 May 2020
Ethics approval and consent to participate
: Not applicable.
: All the authors consent to publication.
: The authors declare that they have no competing interests.