arch coal

    By Sean Williams, The Motley Fool

    | 1:15PM 8/24/2011
    Chinese medicine postulates the existence of qi, a circulating life force whose properties must be balanced for optimal health. Take a page from eastern philosophy and consider investing in these pairings of complementary stocks to strengthen your portfolio.

    By Mark Svenvold

    | 3:00PM 9/21/2009
    Big coal's last best hope, carbon capture and sequestration (CCS), which is the missing puzzle piece required to create a truly 'clean coal' energy plant, is dead. The death of CCS, which has not been greatly exaggerated (see here, and here), hasn't prevented the Obama Administration from...