EPA rules that ethanol is greener than gasoline.
Latest from Harry Fuller
Renewable get lots of attention, positive and negative, in the new year.
New technology helps wind turbines adjust to shifting wind directions.
Biofuel loses rich government tax credit, takes a nosedive in U.S.
Billions of dollars will be loaned to the American nuclear industry this year, it seems.
Huge amounts of cargo, from oil to t-shirts, are moved across the oceans by ship. So far, there has been little effort to deal with the emissions from these ships that generally burn some form of petroleum-based fuel.
Water worries becoming more central to the questions of electricity production.
Land use conflict may prohibit some alternative energy development in U.S.
Next Generation design contest seeks a few brilliant sustainability ideas.
Some of the hottest topics in greentech 2009.