** FILE ** Rail cars leave a silo at the Blue Thunder Mine near Wright, Wyo., July 1, 2003. Some of those who are part of the coal mining industry hope Sioux Falls, S.D.-based Dakota, Minnesota and Eastern Railroad can come up with roughly $2 billion to upgrade and extend its line to Minnesota. Then, this coal could be converted to electricity for users in the Midwest and East, places that went dark in the recent power outage. (AP Photo/Carson Walker, File)