Just when you thought the hydrogen economy zombie was dead and gone, it rises again, this time in color. Yes, hydrogen comes in many colors these days: green, blue, gray and now white. No, these are not literal colors, but rather marketing tools designed to convince investors, policymakers (think: public subsidies), and the public (think: support of public subsidies) that the hydrogen economy is right around the corner and will be a key to addressing climate change. When burned, of course, hydrogen combines with oxygen to produce water. When manufactured,…
