1 Subjects: “...United States...”

2 Subjects: “...the new EU member states...”

3 Subjects: “...Economic sustainability in resource-rich states...”

4 Subjects: “...Energy and state...”

5 Subjects: “...Energy and state...”

6 Subjects: “...state support...”

7 Subjects: “...solid-state hydrogen storage...”

8 Subjects: “...small island developing states...”

9 Subjects: “...limit states...”

10 Subjects: “...rentier state...”

11 Subjects: “...state support measures...”

12 Subjects: “...state-owned firms...”

13 Subjects: “...state-owned enterprises...”

14 Subjects: “...limit states...”

15 Subjects: “...state of charge...”

16 Subjects: “...Driving-Pressure-State-Impact-Response (DPSIR) model...”

17 Subjects: “...driving forces-pressure-state-impact-policy and pattern (DPSIP)...”

18 Subjects: “...state-owned companies...”

19 Subjects: “...state ownership...”

20 Subjects: “...United States...”