2010 Toyota Prius. Photo: Toyota Adieu Low-Emission Bladder Anyone with a working sense of smell who has been to a gas station knows that gasoline is volatile. To keep evaporation to a minimum, the previous generations of the Toyota Prius hybrid were equipped with a special “bladder” gas tank that kept the fumes to a minimum by expanding and contracting with the
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The 2010 Toyota Prius Hybrid Got a Bladderectomy