Which brand of gas station should I use on my road trip?

Illuminating answers to environmental questions.
May 11 2010 7:21 AM

Pump for the Planet

Which brand of gas station should I use on my road trip?

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Correction, May 18, 2010: The article originally used a nearly incomprehensible comparison of the number of metric tons of CO2-equivalent emitted by each oil company per year for each barrel of oil that company produced per day. ( Return to the corrected sentence.)

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Brendan Borrell is correspondent for the Scientist and has written about wildlife for Smithsonian and Natural History. His e-mail address is bborrell@hotmail.com.