The mismatch between the quoted and actual fuel economy of plug-in hybrids (PHEVs) is coming under greater scrutiny as EU authorities look to tighten the testing process in reaction to data harvested from the vehicles.
The mismatch between the quoted and actual fuel economy of plug-in hybrids (PHEVs) is coming under greater scrutiny as EU authorities look to tighten the testing process in reaction to data harvested from the vehicles.
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