Sentences with phrase «dioxide than conventional oil»

Company documents discovered during an eight - month investigation by InsideClimate News show that Exxon Research & Engineering estimated that producing and burning oil shales would release 1.4 to 3 times more carbon dioxide than conventional oil, and would accelerate the doubling of greenhouse gases in the atmosphere by about five years.

To increase supplies, most companies are looking to tar sands in Canada or converting coal or natural gas into liquid fuels, technologies that emit far more carbon dioxide than conventional oil does.

Not exact matches

A 2007 study by Susan Page of the University of Leicester found that one ton of palm oil produced on peatland generates 15 to 70 tons of carbon dioxide, largely the result of deforestation and draining of peatlands, making palm oil - based - biofuels produced by peatlands conversion worse for climate than burning of conventional fossil fuels.

A study published in late April by an environmental group found that Europe's biofuel regulations created 80 percent more carbon dioxide (CO2) emissions than the conventional oil they replaced.

On a lifetime basis, a gallon of gasoline made from tar sands produces about 15 % more carbon dioxide emissions than one made from conventional oil.

The Contents: Spectra's FAQ about the project tout natural gas as being «the cleanest burning conventional source of energy,» producing «45 % less carbon dioxide than coal and 30 % less than fuel oil when burned.