Due for its official unveiling in Detroit this week, the Mazda Furai Concept (Furai means “Sound of the Wind”) is based on an American Le Mans Series Courage C65 chassis and uses a Mazda triple rotor engine that produces 336kW/450hp when run on E100 ethanol.

Click through to see a video of the Furai on the track at Mazda Raceway Laguna Seca along with a quick chat with Mazda’s North American director of design Franz von Holzhausen.