New data from the European Union reveals a significant discrepancy between real-world emissions and official test results for plug-in hybrid vehicles. On average, these vehicles emit six times more carbon dioxide in everyday driving than what regulatory tests suggest. The findings highlight growing concerns over the accuracy of lab-based measurements in assessing environmental impact. Critics argue this gap undermines consumer trust and the credibility of hybrid technology as a green alternative.


Plug-in Hybrids Emit 6 Times, On Average, What Official Tests Claim — New EU Data  cleantechnica.com