Countries face many problems for the development of renewable energy technologies. However these problems are not the same for different countries. This paper provides insight into the development of Hydrogen and Fuel Cell Technology (HFCT) in Iran (1993–2010), as an alternative for increasing...

Studies on technological innovation systems (TIS) often set spatial boundaries at the national level and treat supranational levels as a geographically undifferentiated and freely accessible global technological opportunity set. This article criticizes this conceptualization and proposes instead...

Studies on technological innovation systems (TISs) often set spatial boundaries at the national level and treat supranational levels as a geographically undifferentiated and freely accessible global technological opportunity set. This article criticizes this conceptualization and proposes...

A trial to quantify CO2 emission by utilizing our belonging materials has been conducted. For the Polymer electrode membrane Fuel Cell (PEFC) system, the reduction of more than 23% CO2 emission was measured under a practical operation in a family of Okayama prefecture. The statistical data of...