On paper, this is the miracle solution. They can travel between 50 and more than 120 km depending on the electric models, then the thermal engine takes over for a large range of action. Officially, their efficiency is unbeatable, a 739 hp Porsche Cayenne Turbo E-Hybrid only releases into the air 45 g/km de CO2 for a consumption of 2 l/100 km !
These figures are completely impossible to reproduce in real use, especially since their use is not optimal. According to Transport & Environnement, company PHEVs drive “ on the battery between 11 and 15% of the time “. Companies are also encouraged to use them by being exempt from tax on company vehicles and individuals are not subject to the penalty. Plug-in hybrids clearly have a good life.
However, Euro 6e bis comes on the scene this year and will put the church back in the center of the village by targeting PHEVs. The approval methods differ since the simulation distance of the tests goes from 800 to 2,200 kmand temperatures also vary being higher. These revised configurations completely change the results obtained.
For example, the ICCT (International Council on Clean Transportation) carried out this test in 2022 on a Bmw X1 xDrive25e with results going from single to double. Approved for CO2 emissions of 45 g/km, it thus increases to 96 g/km. Vehicles already approved do not have to follow these new procedures. On the other hand, PHEVs newly launched or receiving a new approval are no longer as privileged as before.
PHEVs subject to the penalty in 2027
For 2025 and 2026, this sharp increase in CO2 emissions will have little impact on the ecological penalty. However, this will certainly no longer be the case in 2027 with the appearance of a new evolution of the standard, theEuro 6e bis FCM. Thus, the test distance will reach 4,260 km and, again according to the ICCT, this same X1 would be approved with 122 g/km of CO2. According to the penalty scale currently in force, he would suffer a €240 penalty. Only this scale will be revised upwards…
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