| The environmentalists also fear the Canadian natural gas will be used as an energy source for harvesting oil from the Alberta tar sands. |
| Last week the Federal Court said that the environmental assessments being done of the tar sands were full of holes. |
| Two important alternatives to current oil reserves are shale oil and tar sands. |
| Amortization of tar sands assets is a combination of unit-of-production and straight-line methods. |
| Additionally, as Bartlett notes, unconventional fossil fuels, such as heavy oil, tar sands, shale oil, represent an even larger resource. |
| He is helping triple the tar sands production and rubber-stamping more pipelines that will carry unrefined crude to the U. S. and China. |
