[2] Guerrini debuted as a driver in the FIA Alternative Energies Cup, reserved for hybrid and endothermic vehicles, in 2009, together with co-driver Andrea Gnaldi Coleschi.

[9] In 2020, together with Francesca Olivoni, he obtained the second place in the overall standings of a FIA ERRC season which was reduced because of Covid and won two races of the Italian Championship with Emanuele Calchetti.

[16][17] In the 2016 season, Ventura and Guerrini on a Renault Zoe passed to the category reserved for purely electric cars and they won the World Cup.

[19][20] The project, called Torino-Pechino, la macchina della pace (Turin-Beijing, the peace machine), was organized in 2008: overall, Guerrini and Andrea Gnaldi Coleschi (born 27 October 1978 in Arezzo, Italy),[21] covered 25,852 km (16,064 mi) using a 1999 Fiat Marea 1.6 16V from the seat of the 2006 Winter Olympics (in Turin) to the seat of the 2008 Summer Olympics (in Beijing) and returning to Italy.

[27] In winter 2011, together with Emanuele Calchetti, he traveled from Rome to Volgograd with a gas-fuelled Gonow pick-up, crossing Eastern Europe, Moldova, Transnistria, and Ukraine.