Sentences with phrase «intensive than conventional oil»

The emissions from natural - gas - fired boilers used to generate steam make the well site more carbon - intensive than conventional oil wells.

Not exact matches

Environmentalists argue that the U.S. president needs to take a stand against further development of tar sands oil, which is more carbon - intensive than conventional crude oil, and will put the world on what they call an unsustainable energy path.

The nonpartisan Congressional Research Service found in a survey of published literature that because tar sands oil is more carbon intensive than conventional crude oil, the Keystone XL pipeline would increase U.S. greenhouse gas emissions by the equivalent of «approximately 558,000 to 4,061,000 passenger vehicles» annually:

Because the extraction of bitumen from those sands is an energy - intensive process, it emits more greenhouse gases than the extraction of oil from conventional reservoirs.

But producing oil sands is a messy, emissions - intensive business; according to the U.S. Environmental Protection Agency, the extraction process produces 82 percent more emissions than conventional oil drilling.