I was head of the U.S. Agency for International Development from 1999 to 2001. Before that, I lived and worked in East Africa ...

Less fuel and emissions, more power, higher revs. EcoMotors' OPOC engine promised it all. Investors, including Bill Gates, gave money. And lost money.

Putting carbon dioxide from power plants and industrial facilities underground where it won’t contribute to global warming could see less federal support and enthusiasm under ...