The young man had refueled with gas at a distributor. At the origin of the accident probably the lighting of a cigarette
“A 30-year-old boy who was involved in an accident with a gas cylinder was transferred to a burn center. The 30-year-old had the cylinder filled and was carrying it in his car, when due to a gas leak, with the probable lighting of a cigarette, he was engulfed in flames. “
Source and full article here: Courier of Calabria