Fuel-cell entrepreneur
What they do: Manufacture, assemble, install, test, maintain, research, and develop fuel cells, battery-like components.Salary range: $80,000 and up
Education/experience: Typically a bachelor's, master's, or doctorate in science or engineering
Growth forecast: US fuel-cell demand will grow tenfold, to $1.1 billion, in 2008, according to Robert Rose, executive director of the US Fuel Cell Council in Washington, D.C.
(Reuters Photo)


