Guides
Plain-English guides to plug-in hybrid fuel use, the official test and company car tax, built on EU fuel meter data.
Why plug-in hybrid fuel figures are so far off — and what changes from November 2026The PHEV utility factor, explained — and why longer electric range has not fixed the gapUK company car tax on plug-in hybrids: 2026/27 rates and the Euro 6e-bis easementPlug-in hybrid vs hybrid vs petrol: real-world fuel use comparedHow to get closer to your plug-in hybrid's official fuel figureWhat is OBFCM data? The fuel meters behind real-world car figures