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+--- Thread: DPF ? The reason for poor economy? (/Thread-DPF-The-reason-for-poor-economy)
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RE: DPF ? The reason for poor economy? - Asty - 10-04-2012 02:06pm
So do we think LR are running their official mpg figures on a rolling road with the engine and exhaust fully up to optimum temperatures in a temperate climate? I can tell you one thing for sure - I bet they don't drive it to the shops from cold in January when calculating the "urban" mpg
RE: DPF ? The reason for poor economy? - Donny Dog - 10-04-2012 02:16pm
(10-04-2012 02:06pm)Asty Wrote: So do we think LR are running their official mpg figures on a rolling road with the engine and exhaust fully up to optimum temperatures in a temperate climate? I can tell you one thing for sure - I bet they don't drive it to the shops from cold in January when calculating the "urban" mpg
Actually, I think 'Mystic Meg' does the figures!
RE: DPF ? The reason for poor economy? - PhilSkill - 11-04-2012 01:44pm
They are standard EU tests for all cars done in a laboratory and done at 20-30 °C starting with the urbal cycle and an engine not used for 2 hours (cold!?), the cycle used is very specific series of revs changes etc. They're are widely known as not being very reflective of real use environments, but they are the only figures a car manufacturer can publish.