The folks at CNet's Crave blog were out driving an Infiniti G37 on the curve-tastic streets of San Francisco when they came across a brand-spanking new, and as-of-this-moment unavailable, Audi A5. Even more strange was the car was branded with white lettering declaring that it runs on E85 and that it was powered by the 2-liter turbocharged Euro engine instead of the 3.2-liter V6 it'll have when it comes stateside next year. [via Crave]

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