Should I worry about stale gasoline in a plug-in hybrid?
Should I worry about stale gasoline in a plug-in hybrid? Published April 7, 2021 – Melanie Story continues below advertisement Gas can start to break down after three to six months – and that could cause your car to break down. “We see it in our fleet vehicles that get used for four months and then sit parked for eight months,” said Steve Elder, an automotive instructor at the British Columbia Institute of Technology (BCIT). “All the high-end additives evaporate out of the fuel and leave behind a varnish on the valves.” As gas gets old and evaporates, it becomes thicker and less...