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The Sierra Club Makes it Easier for Corporate Fleets to go Tar Sands Free

New Report Identifies Refineries that Do Not Process Alberta Tar Sands into Gasoline and Diesel

SAN FRANCISCO - The Sierra Club released the Avoiding Tar Sands Fuel in Corporate Fleets report today, which outlines steps that corporations can take to ensure that fuels they burn in their fleet cars and trucks are not made from tar sands crude. The report identifies 39 US oil refineries that do not process tar sands crude into gasoline and diesel fuel. Although it can be difficult for individuals to know the source of the fuel they buy at the pump, corporations with large vehicle fleets are often able to choose the sources of the fuel they use. The Sierra Club is asking companies to avoid whenever possible fuel derived from the high-carbon, highly polluting Alberta tar sands.

“Oil from Alberta's tar sands is the dirtiest oil on Earth,” says Michael Marx, Sierra Club beyond oil campaign director. “Companies across America are making huge leaps raising fuel efficiency, but burning oil from tar sands means taking two steps backwards. Fuel efficiency gains are wiped out when you fill that vehicle with oil from tar sands. With this new information on refineries, it’s easier for fleet operators to know where their fuels are coming from to avoid the dirtiest sources of oil.”

Through the Future Fleet campaign, Sierra Club and ForestEthics have been pushing companies, such as PepsiCo, which operates an enormous fleet of vehicles in the US, to slash overall oil consumption and reduce reliance on tar sands fuel. Already, 19 companies--including Walgreen’s, Whole Foods, and Columbia Sportswear--have committed to take action on tar sands fuel for their vehicle fleet and shipping operations.

“The climate movement and the Keystone XL campaign are shining a bright light on the oil industry’s shift to more extreme sources of oil,” says Marx. “The first step for any company is to reduce the amount of oil they use. The second important step is to understand the source of their fuels, and, whenever possible, avoid the worst fuels in the market place. Tar sands crude tops the list when it comes to a rapidly growing fuel source with a devastating environmental impact.”

The new Sierra Club report, reviewed by Oil Change International, ForestEthics, and BSR, can be viewed here. More detail on refineries that process and don’t process tar sands crude can be found at:


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The Sierra Club is the oldest and largest grassroots environmental organization in the United States. It was founded on May 28, 1892 in San Francisco, California by the well-known conservationist and preservationist John Muir, who became its first president. The Sierra Club has hundreds of thousands of members in chapters located throughout the US, and is affiliated with Sierra Club Canada.

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