<https://powerhousedynamics.com/news-and-press-releases/powerhouse-dynamics-2018-global-cleantech-100/#webpage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://powerhousedynamics.com/news-and-press-releases/powerhouse-dynamics-2018-global-cleantech-100/>