Largest-ever-study confirms PHEVs burn up to five times more fuel than claimed
February 20, 2026
There is a systemic gap at the core of Europe’s plug-in hybrid policy, and it has now been measured at scale. Using real-world fuel consumption data from approximately 980,000 plug-in hybrid passenger cars collected under the EU’s official on-board fuel consumption monitoring (OBFCM) system, the Fraunhofer Institute for Systems and Innovation Research (Fraunhofer ISI) has […]