Related to the MZR engine in the Mazda3, but lacking variable valve timing, the Duratec four-banger is available as a PZEV (Partial Zero Emissions Vehicle) engine in some states.

• 相关MZR发动机的马自达3，但仍缺乏可变气门正时，该Duratec四banger可作为零污染（部分零排放车辆）引擎在某些国家。