Emerging reports indicate that Ferrari will unveil an E85 ethanol-powered version of the 430 Spider tomorrow at the North American International Auto Show, and it looks like they’re right because we ran into this car on the show floor today. Labeled as the 430 Spider Bio Fuel, the roadster runs on the familiar mix of 85% natural ethanol and 15% gasoline, which reports suggest yield a modest 2% increase in power. That’s enough to bring the 4.3-liter V8’s output up to 500 from the standard 490 with torque rising 4% and fuel economy improving by 5%. (more…)


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