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Ever since I saw it, I've always wondered what could happen if the Quattrovelo lost its pedals and was turned into a titanium-framed car with a carbon fiber/kevlar body and scaled up to accomodate a second passenger. Say, a tandem two seater with a 0.7 sq m frontal area, set up with all wheel drive via an in-wheel hub motor on each wheel of about 50 kW each with thick, sticky motorcycle tires, vector control, and a 10 kWh pack of Lone Star batteries?
You'd end up with a vehicle that weighed around 450-500 lbs unladen, had a CdA of around 0.15 m^2, and need like 2 kW to do 60 mph. Gear it for 120 mph(it probably wouldn't be stable after that), and its acceleration might match the new Tesla Roadster in all of its operating points... and you'd have well over 200 miles range driving on the highway for far less expense than it would cost to make a Tesla Roadster...
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