tar sands

Tar sands dirty energy source

Congressman Tom McClintock asserts that building the Keystone XL pipeline through the central United States is required to transport tar sands oil in Canada through Oklahoma to Gul ...

Dirty fuel is not the answer

My congratulations to Staff Sgt. Steven R. Breedlove for an excellent letter regarding the proposed TransCanada pipeline (Reader Input, Sept. 12). Tar sands represents a catastroph ...