Quote:
Originally Posted by NeilBlanchard
We now know that injected gasoline engines put out more particulates than filtered diesel.
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I guess you meant direct-injected gasoline engines, which in most cases follow the downsizing bandwagon. Well, no wonder Toyota seems to be still committed to port injection and natural aspiration in entry-level models instead of fully embracing the downsizing, at least they can keep it simple and avoid the expenses of adding a particulate filter. BTW the first gasser I saw which was fitted with a particulate filter is the Volkswagen Tiguan Allspace, which according to some sources got this feature as an attempt to whitewash Volkswagen's reputation in the Dieselgate aftermath.