The Irisbus Cristalis is a trolleybus that was manufactured by Irisbus. It was introduced in 2000.Box, Roland (September–October 2001). "Cristalis – A New Concept". Trolleybus Magazine No. 239, pp. 108–109. National Trolleybus Association (UK). . The second of three prototypes, built was for the Lyon trolleybus system, was first presented to the public in Lyon in December 2000.Trolleybus Magazine No. 237 (May–June 2001), p. 67. National Trolleybus Association (UK). . The first vehicles of the type entered service in Lyon in January 2002.Trolleybus Magazine No. 243 (May–June 2002), p. 63. National Trolleybus Association (UK). . Cristalis trolleybuses were subsequently purchased by the Limoges trolleybus system and the St. Etienne trolleybus system, as well as the Milan trolleybus system, in Italy.Trolleybus Magazine No. 261 (May–June 2005), p. 67. National Trolleybus Association (UK). . For all units built, the electrical equipment was provided by Alstom. It was "radically different" from past French-built trolleybuses, in its use of wheel hub motors to allow an unobstructed low floor. The initial design work was undertaken by Renault, before the formation of Irisbus. Fifteen were also ordered by the Grenoble trolleybus system in 1999 (before series production of the Cristalis had even begun),Trolleybus Magazine No. 226 (July–August 1999), p. 91.Trolleybus Magazine No. 236 (March–April 2001), p. 39. but that order was cancelled in 2002, shortly before officials of that city's transport system decided to close the trolleybus system.Trolleybus Magazine No. 247 (January–February 2003), p. 19.
Production ended in 2010.
It was offered in two versions: ETB12 – a two-axle trolleybus ETB18 – an articulated bus
As of 2016, the total number in service was 180, specifically 95 ETB12 and 85 ETB18.
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