Detroit-based DTE Energy Co. is one of eight utility companies under investigation by the U.S. House Committee on Energy and Commerce, according to a statement on Thursday by the committee. The committee, which is chaired by U.S. Rep. Frank Pallone Jr. (D-N.J.), is investigating the involvement of DTE and other utilities around the country with … Continue reading U.S. House panel investigating DTE, other utilities, for industry group ties