Mazda Skyactiv-D

[kevm14]

Will it need exhaust after treatment, or won't it?

http://blog.caranddriver.com/the-soluti ... ed-diesel/

[Bob]

This engine has been delayed so many times that I am starting to doubt whether we'll ever see it. The mileage of the gasoline Skyactiv engines is so good, there's barely a business case for it anyway.