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204

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

submitted 1 day ago by breakfastmtn@piefed.ca to c/world@lemmy.world

101 comments fedilink hide all child comments

While most hybrids are said to use one to two litres of fuel per 100km, a study claims they need six litres on average

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.

. . .

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

The scientists of the Fraunhofer Institute found that the main reason for the higher-than-stated fuel usage was due precisely to the fact that the PHEVs use two different modes, the electric engine and the combustion engine, switching between both. Until now it has been claimed by manufacturers that the vehicles used only a little or almost no fuel when in the electric mode. The studies showed that this was not in fact the case.

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[–] Riverside@reddthat.com 1 points 1 day ago (1 children)

Averages don't only work if data falls under a normal distribution. I can have two very non-Gaussian distributions for fuel usage of two vehicle types but one of them has much lower fuel consumption than the other, I can vouch for the lower one using the average alone.

[–] IAmNorRealTakeYourMeds@lemmy.world 0 points 23 hours ago (1 children)

for plug in hybrids, they should give you average fuel consumption for hybrid use only AND EV range. Trying to get a total average use is useless and removes all the important information.

I had a plugin hybrid once, rarely used it for trips that needed fuel. if your daily driving fits in the EV range, then you don't really care about fuel consumption.

[–] Riverside@reddthat.com -1 points 23 hours ago

This article is less important for individual consumers (whose fuel usage varies wildly depending on their needs and their routines) but it's extremely important for policy: PHEVs have a very similar climate change result on average than my 2006 diesel car.