Peraves Monotracer/Ecomobile/X-Tracer/E-Tracer outriggers up 1.25m (49in) width, outriggers down 1.4m (55in), 0.19 Cd - lowest of any production vehicle. X-Prize tandem winner.
Carver 1.3m (52in) wide when upright, 1.5m (60 in) wide when fully tilted was produced
IMA Colibri 1.18m (46.5 in) wide prototype non-tilting - first vehicle in its class (L7e) to pass a virtual Euro-NCAP crash test.