Early this year, Gates made it clear that he believes climate change has become the greatest threat facing humanity, he has begun to support clean energy technologies, radically reduce greenhouse gas emissions. Favored by the Gates “green” energy investment areas include renewable energy development and clean energy vehicle technologies.
He has invested R & D of bio-energy company Pacific Ethanol, and Sapphire Energy, which companies specializing in refined fuel from algae technologies. Seaweed has long been considered an important future energy source, because they grow rapidly, are rich in oil, and it will not, like other crops such as corn grain market impact.
Recently, Gates invested 23.5 million U.S. dollars to a Detroit Electric car engine maker EcoMotors, because he believed that the traditional engine will soon be history. The company is developing the volume weight of smaller, more efficient, lower emission engines.
