The Canadian tar sands are an extensive deposit of oil-rich bitumen (another word for tar) located in northern Alberta, Canada, with some extensions into adjacent Saskatchewan.

Producing in-situ oil emits more CO2 than mining bitumen does. The ultimate engineering challenge of the tar sands, however, may be coping with greenhouse gases.

Canadian oil sands producers, facing a double whammy of low oil prices and higher taxes in Alberta, are slashing spending, suspending production, cutting jobs and halting shareholder dividends ...

Corporate and government fleets account for 35 percent of transportation-related oil consumption, according to the Sierra Club report. Targeting the Tar Sands Why target Canadian crude in particular?

The Canadian tar sands, or oil sands, are much more carbon-laden than most other fossil fuels produced in North America, and their possible outsized impact on the climate is one of the primary ...

In July 2010 an Enbridge pipeline burst in Marshall, Michigan, causing tar sands crude oil to spill out over 40 miles of the Kalamazoo River.

This could be the end of Canadian tar sands Economic factors are sucking the life out of the country's oil industry.

Oil developers in the Canadian Tar Sands are trying to understand some odd oil eruptions around several drilling platforms where oil is coming up through the ground rather than through the wells ...

Exxon and its Canadian affiliate, Imperial Oil, are not alone in developing the tar sands, which the energy industry touts as a secure source of crude for North America.

While politicians, environmentalists and Big Oil fight over the Keystone XL pipeline, the Bay Area’s five refineries have quietly moved toward transporting controversial Canadian tar sands crude ...

Berkshire Hathaway Inc. reported a new half-billion-dollar stake in Suncor Energy Inc., which started the Canadian tar sands oil industry, after Chairman Warren Buffett and his deputies spent the ...

Aerial view of the Suncor oil sands extraction facility. Several multinational energy companies have sold their tar sands holdings to Canadian companies as oil prices remain low and pressure ...