ST. LOUIS, March 11 /PRNewswire-FirstCall/ -- Arch Coal, Inc. (NYSE: ACI) and Tenaska, Inc. announced today that Arch has acquired a 35% equity interest in the Trailblazer Energy Center, which is being developed by Tenaska near Sweetwater, Texas.

Tenaska poised to be first electric generator to provide clean air benefits required by new law. SPRINGFIELD, Ill., Jan.

OMAHA, Neb., Jan. 8 /PRNewswire/ -- Tenaska, Inc. (Tenaska) today announced that its repurchase of the interests in Tenaska Marketing Ventures, Tenaska Gas Storage and Tenaska Marketing Canada (collectively TMV) formerly owned by affiliates of American International Group, Inc.

OMAHA, Neb., Oct. 29 /PRNewswire/ -- Tenaska Capital Management, LLC (TCM), an affiliate of Tenaska, Inc. (Tenaska), today announced the final closing of TPF II, L.P. (TPF II), with more than $2.4 billion of committed capital.

By Steve Jordon, Omaha World-Herald, Neb. Mar. 2--An Omaha company's plan for the nation's first large-scale "clean coal" power plant faces technical, financial and environmental hurdles, including challenges from groups that want to restrict the burning of coal whenever possible. Tenaska Inc.