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Plug-in hybrids use three times more fuel than manufacturers claim, analysis finds (www.theguardian.com)

submitted 2 days ago by Powderhorn@beehaw.org to c/environment@beehaw.org

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Plug-in hybrid electric cars (PHEVs) use much more fuel on the road than officially stated by their manufacturers, a large-scale analysis of about a million vehicles of this type has shown.

The Fraunhofer Institute carried out what is thought to be the most comprehensive study of its kind to date, using the data transmitted wirelessly by PHEVs from a variety of manufacturers while they were on the road.

The cars involved were all produced between 2021 and 2023. The data transmitted enabled analysts to determine their precise and real-world fuel consumption, as opposed to that stated in the vehicles’ official EU approved certification.

PHEVs, cars which combine a petrol or diesel engine with a battery-powered electric motor that is charged from an external energy point, give drivers the flexibility to be able to switch between the ecologically safer power source, and the more conventional, but environmentally more damaging one, as and when conditions allow. Manufacturers typically market the vehicles as energy efficient. On paper at least, the vehicles are said to use much less fuel, between one and two litres per 100km, than conventional cars. However environmental groups have long since voiced scepticism over the claims.

According to the study, the vehicles require on average six litres per 100km, or about 300%, more fuel to run than previously cited.

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[–] brawndo@piefed.social 5 points 2 days ago

I had one and only put gas in it when taking a trip out of town. On a road trip I would get about 38mpg. Not great for what is was but better than anything else I owned before. I had that car for 5 years and 120,000 miles.

The fact that I used 0 gas for my daily use brought the cars lifetime mpg to 163mpg!

Also, I learned the hard way that gas can go bad fairly quickly.