Quote:
Originally Posted by euromodder
Many people shut off the autostart function though.
In the NEDC autostart is allowed, but in real life you'll never see the big gains it gets on NEDC - which has numerous phases at standstill.
These were introduced to simulate traffic: accelerate, brake, wait, ...
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I just saw some real test data today from a tier 2 supplier. When running EPA city cycle, they only saw 3% max FE bump with start stop. So unless manufacturers are do some testing in a big city that maybe will show a more significant and marketable gain, and allowed to publish results on window stickers or marketing, I definitely now see why Mazda and others will not bring their start stop systems to USA.