Faced with inflation in her car budget, this motorist calls on the D system. Every day of the week, she drives from Chanceaux-sur-Choisille to Saint-Pierre-des-Corps, 13 km.

“26 km round trip five days a week,” she explains. 100 euros of gasoline per month. ‘It is vital for me to go to work,’ says Roxane, 43, and her Volkswagen Beetle, 2013 petrol model, 110,000 km on the clock.