Rather, the units turned up via a query for "flying red horse", apparently since the units displayed a small Mobil logo—and the Mobil logo was and is a red Pegasus.
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As of 2004, more than seven million people possess Speedpass tags, which can be used at approximately 10,000 Exxon, Mobil and Esso gas stations worldwide.
Mobil was one of the most notable early adopters of this technology, and offered their "Speedpass" contactless payment system for participating Mobil gas stations as early as 1997.