Video: The Alberta Tar Sands Dirty Oil

Dirty Oil - A Documentary on The Alberta Tar Sands, is a film written and directed by Leslie Iwerks. This 2009 documentary explores Canada's role as the largest supplier of American oil. It also exposes the dishonesty and greed of the Canadian and Alberta governments as well as the oil companies.

Governments and oil companies make astronomical profits at the expense of the environment, the wildlife, and the native communities who live near the tar sands of northern Alberta.

The film indicates that renewable sources of energy offer a way out of our dependence on destructive fossil fuels. It cites America's mobilization at the beginning of World War ll despite being a recessionary economy. At the start of World War ll, Franklin Delano Roosevelt said, "Let no man say it cannot be done, it must be done, and we are undertaking to do it."

We are at a crossroads, we can either engage the struggle to reduce our footprints or ignore it at our own peril. The film also encourages personal responsibility as a way out of the environmental calamity we face.

The film concludes by quoting President Obama who said, "We must end the age of oil in our time, energy independence will require an all hands on deck effort from America , efforts from scientists, and entrepreneurs, from businesses and from every American citizen."

"Its going to take leadership and its going to take a vision and its goinng to take action by each of us, saving civilization is not a spectator sport. We all have to get involved, we all have a stake in it."

© 2011, Richard Matthews. All rights reserved.

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Assessing the Environmental Impact of Electric and Hybrid Vehicle Production

Although electric and hybrid cars create more carbon emissions during their production than standard vehicles, they are still greener overall. This is one of the findings in a report prepared by Ricardo1for, in collaboration with the membership of the Low Carbon Vehicle Partnership that includes major vehicle manufacturers and oil companies.

The increased emissions created during the production of electric and hybrid vehicles is further compounded by disposal issues. However, overall electric and hybrid vehicles still have lower carbon footprints than fossil fuel powered vehicles.


“This work dispels the myth that low carbon vehicles simply displace emissions from the exhaust to other sources. However, it does highlight the need to look at reducing carbon emissions from vehicles throughout their lifecycle,” said Greg Archer, LowCVP Managing Director.

A 2008 study by researchers at Carnegie Mellon University found that life-cycle greenhouse gas emissions, which include emissions from both manufacturing and operating a vehicle, are 32 percent less from plug-in hybrids than from gasoline-powered cars.

Approximately three quarters of the carbon created in production is attributable to the steel used in vehicles. In an electric vehicle almost half (43%) of the carbon created in production arises from the battery. To reduce carbon in vehicle production we need low weight, low carbon alternatives for steel and batteries.

Andy Carroll, Managing director for Eurotax Glass’s, said that the industry will see an evolution towards learning how to estimate the residual value impact of improved technologies and batteries as well as end of life disposal.

Although calculating whole life carbon emissions is complex, it is essential for comprehensive vehicle comparisons.

© 2011, Richard Matthews. All rights reserved.

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Assessing the Environmental Impact of Operating Electric and Hybrid Vehicles

Assessing the Environmental Impact of Operating Electric and Hybrid Vehicles

The dramatically smaller footprint of electric cars varies depending on the source of electricity used to power them. "The types of power plants installed in the next two decades will not only affect how much we can reduce emissions from electricity, but also from vehicles," said Carnegie Mellon engineer Kyle Meisterling.

Newer fossil fuel powered vehicles are much more efficient than previous generations of automobiles, but they are not as efficient as hybrids or fully electric vehicles.

In places like California where tailpipe standards are some of the toughest in the nation, a 2010 gas powered car puts out only 2 percent of the emissions of a 1980s model. However, electric vehicles have a much smaller carbon footprint than even the most efficient fossil fuel powered vehicles.

We should not underestimate the contributions of electric vehicles to our environment. According to Tom Cahill, a professor emeritus of physics at UC Davis, EVs offer "a whole lot of gain in climate change."

All-electric vehicles burn no fossil fuels, and hybrids burn relatively small amounts of gas. The tailpipe emissions from electric cars are zero and hybrids have a significantly reduced emissions profile compared to conventional vehicles. In places like Los Angeles, on some days, the tailpipe emissions of hybrids contain less pollution than the air.

A 2008 study by researchers at Carnegie Mellon University found that America's electricity mix derives 45 percent of electricity from coal, 23 percent from natural gas, 20 percent from nuclear, and 12 percent from dams, solar, wind and other sources. The emissions associated with electric and hybrid vehicles will improve significantly once we reduce the use of fossil fuel powered energy, particularly coal.

One of the most interesting findings of the Carnegie research finds that even when electricity derived from coal is used to power hybrids they emit fewer greenhouse gases than gasoline-powered cars.

In states with cleaner power mixes, plug-in hybrids have less than half the greenhouse gas footprint of conventional gasoline vehicles.

In a recent study, Mark Jacobsen, a professor of civil and environmental engineering found that electric vehicles powered by wind energy were best, with a 99 percent reduction in carbon and air pollution emissions from the current vehicle fleet. Not suprisingly, ethanol ranked last in his study, with the largest carbon footprint.

"There's no technical reason we can't ramp up to a lot more electric vehicles," Jacobsen said. "It's a question of whether society as a whole is motivated to do it."

Andy Carroll, Managing director for Eurotax Glass’s, said the key to making electric vehicles more popular will be for manufacturers to completely remove the risk of residual value in batteries from falling into the hands of the customer.

© 2011, Richard Matthews. All rights reserved.

Related Post
Assessing the Environmental Impact of Electric and Hybrid Vehicle Production