Which domestic engine manufacturers of onhighway commercial diesel engines are using single-actuator EUIs after the EPA 2007 model year?

Question

Quizplus · Accepted Answer

After the EPA 2007 model year, none of the domestic engine manufacturers of on-highway commercial diesel engines were using single-actuator Electronic Unit Injectors (EUIs). This technology was largely phased out in favor of more advanced fuel injection systems that could meet stricter emissions standards.

Which Domestic Engine Manufacturers of Onhighway Commercial Diesel Engines Are