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WLTP: will the real winners be PHEVs?

n97 mini · 2018-07-20 18:04:46

Panic starting to set in about the switch-over to WLTP testing to establish economy/CO2 figures. The big losers are possibly going to be diesels, but it's also looking like "self-charging" hybrids are going to lose out: the Prius will no longer be exempt from the London congestion charge, for example (limit is 75g CO2/km,…

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#32 25-05-2020 8:41pm
liamog

Moderators, Motoring & Transport Moderators, Regional East Moderators Posts: 7,831 Mod ✭✭✭✭

Join Date: April 2008

Posts: 7720

Ok I can see where I made a mistake, the bit I was looking at was dealing with calculating the NEDC to WLTP ration and then converting the fleet wide 95g/km NEDC to a fleet wide WLTP number.

So effectively it's 15% reduction from 95g/km but with a ratio calculated to work out what that is in WLTP terms.
If you wanted to game the system you'd have to get every manufacturer on board to manipulate the NEDC results and WLTP to make the ration more favourable.

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