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Old 12-08-2016, 10:54 PM   #28 (permalink)
Hersbird
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There is a possible reason NOT to use direct injection. It looks like under the 2017 tier 3 emissions standards (which phase in from 2017-2025) they may be needing exhaust particulate filters, and then those will need a regen mode just like on diesels. In the end you end up with no MPG benefit and a huge cost addition.
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