WASHINGTON, D.C. (December 8, 2015)-- The National Academy of Sciences today released a study on diluted bitumen (or «dilbit»), a raw
form of tar sands oil making its way across North America in increasing volumes, that supports alarm bells raised by NRDC and other advocacy groups over the last decade.
This was first brought to light by Oil Change International (and soon echoed by Ryan Koronowski on Climate Progress and then by Carol Linnitt on DeSmog Canada), all of whom explained the bizarre technicality that exempts dilbit (or diluted bitumen, the transportable
form of tar sands crude) from the taxes that fund the Oil Spill Liability Trust Fund.
Not exact matches
More than 50 top European and U.S. scientists have written to the European Commission president urging him to press ahead with a plan to label
tar sands as more polluting than other
forms of oil, in defiance
of intensive lobbying from Canada.
BRUSSELS (Reuters)- More than 50 top European and U.S. scientists have written to the European Commission president urging him to press ahead with a plan to label
tar sands as more polluting than other
forms of oil, in defiance
of intensive lobbying from Canada.
ExxonMobil admitted that the pipeline had been used to transport a molasses - like
form of crude extracted from
tar sands in Canada.
Nathan says high prices have made it increasingly economically viable to extract more unconventional
forms of oil, in particular the asphaltlike
tar sands (also known as oil
sand, or extremely heavy crude oil) plentiful in northern Alberta, Canada.
Klein follows the «dark» money behind the propaganda
of climate - change denial, the effort to dismantle the federal government to curtail corporate regulation, and the justification for the feverish pursuit
of the riskiest
forms of carbon - emission - producing energy from
tar sands extraction to deep - water drilling, fracking, and mountaintop - removal coal mining.
But on the Keystone XL pipeline — which, if not blocked by President Obama, would carry the crudest
form of oil from Canadian
tar sand deposits to Gulf Coast fuel refineries — it seems there's little room for varied stances, at least according to some protesters.
She was, after all, Obama's secretary
of state, and it was under her that the State Department issued a draft review approving Keystone XL that was sharply criticized by Obama's own EPA, but still approved in final
form, despite the objection
of expert critics such as James Hansen, director
of NASA's Goddard Institute for Space Studies, who has argued that the big - picture global warming concerns mean that
tar sands must be left in the ground:
With
tar sands project, Canada looks like a scientifically illiterate high poverty desperate country trying to go after the dirtiest
forms of energy when it does not have to.
Hydrogen from gas heats the
tar sands so the viscous
form of petroleum it contains, known as bitumen, can be liquefied and pumped out
of the ground.
The spill presented a unique cleanup challenge, because 6B was carrying bitumen, a thick crude oil mined from Canada's
tar sands region that is thinned with a cocktail
of liquid chemicals to
form diluted bitumen, or dilbit.
The
sands contain naturally occurring mixtures
of sand, clay, water, and a dense and extremely viscous
form of petroleum technically referred to as bitumen (or colloquially «
tar» due to its similar appearance, odour, and colour).
Whether you call them
tar sands or oil
sands, this resource is actually bituminous
sand, a mixture
of sand, clay, water and an extremely viscous
form of petroleum called bitumen.
Tar Sands are a naturally occurring mixture
of sand or clay, water and an extremely dense and viscous
form of petroleum called bitumen.
Tar sands mining and other extreme
forms of energy extraction like Arctic drilling, shale fracking, and nuclear power generation send us in the exact opposite direction that we, as a civilization, must go to ensure global survival.
In 1999, Canada surpassed Saudi Arabia as the United States» largest source
of oil imports, and today a full half
of the country's oil production comes from Alberta's so - called
tar or oil
sands: a
form of petroleum found in a mixture
of sand, clay, and bitumen that is either mined in pits or extracted by pumping steam into wells.
Now that we do know, it's imperative that we move quickly to alternate
forms of energy — and that we leave the
tar sands in the ground.
The Alberta
tar sands, which cover 55,000 square miles in western Canada, are estimated to contain approximately 1.7 trillion barrels
of bitumen, a sticky, thick
form of petroleum that can be extracted through both surface mining and drilling.
At Planet3.0, we've had our internal disagreement about this, with mt arguing that McKibben's and Hansen's approach is correct, and that
tar sand bitumen is a good place to draw the line, while Dan M has argued that this is a sort
of arbitrary decision, and the
tar sands should be treated just as another
form of fossil fuels, rather than a bright line that should not be crossed.
In 2013 I became involved with a newly
formed group
of Burnaby residents protesting a plan by Kinder Morgan, a Texas based oil company, to dramatically expand the export
of diluted bitumen from the Alberta
tar sands to oversees markets through a small marine terminal in Burrard Inlet, just miles from the City
of Vancouver.