1 Subjects: “...national travel...”

2 “... energy applications and at different scales, i.e., urban, regional, national, and even continental...”

3 “...The Paris Agreement establishes a process to combine Nationally Determined Contributions...”

4 “...According to the National Research Council, the use of embedded systems throughout society could...”

5 “... at the symposia held at ISATE, an international conference organized by the Organization of National Colleges...”

6 “..., the challenge of energy transition becomes even more critical. The transformation of national energy systems...”

7 “... Development Goals (SDGs) set by the United Nations (UN). There are lots of challenges to developing modern...”

8 “... Institute of Technology, Yale University, Norwegian University of Science and Technology, National Energy...”

9 “... strategic priority at local, national, European, and global levels. This Special Issue will pay attention...”

10 “... and exploit the deposit. The continuous development of national economies is related to the increasing demand...”