I am replacing the Delphi fuel pump in my Hyundai Terracan with a new one obtained from Korea. What should I look out for? I have been told the ECU will need to be reconfigured. If your vehicle is a ...

Editor's note: This article has been changed to clarify that particulates are the emissions that can be reduced, and to remove reference to Delphi's Dynamic Skip Fire fuel-saving cylinder cut-off ...

Westport’s High-Pressure Direct Injection (Westport™ HPDI) injectors are designed with a small diesel pilot spray and a larger gas spray. The diesel averages only about 5% of the total energy input ...

The key ingredient to maximizing the peak performance of a diesel engine is increasing the amount of diesel being burned. On old mechanical-injection engines, the only way to do this was to modify the ...