This is today's edition of The Download, our weekday newsletter that provides a daily dose of what's going on in the world of technology. Hydrogen-powered planes take off with startup’s test flight ...

Forbes contributors publish independent expert analyses and insights. Ken Silverstein covers global energy and climate issues. A worker fuels a car with high-purity compressed hydrogen at a Saudi ...

The white-hot river of liquid iron never stops. Every hour of the day and night, at this steel plant in Sweden’s far north, the metal pours out of a hole at the bottom of a massive, 90-metre-tall ...

Forbes contributors publish independent expert analyses and insights. Robert Rapier is a chemical engineer covering the energy sector. U.S. President George W. Bush, center, talks to reporters while ...