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 ...

Delphi is developing an engine fuel injection technology that could improve the fuel economy of gas-powered cars by 50 percent, potentially rivalling the performance of hybrid vehicles at less cost.

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 ...

Working to bring Vancouver-based firm's High Pressure Direct Injection technology to market VANCOUVER—Canada’s Westport Innovations Inc. is teaming up with an English automotive technology firm to ...