Westport Innovations Inc. on Tuesday announced a second-generation high-pressure direct-injection natural gas system usable on original equipment manufacturers’ diesels. It replaces the dual-fuel ...

Isuzu Motors (Japan) announced Friday that it is partnering with Canadian company Westport Innovations to develop engines using Westport’s Compressed Natural Gas Direct Injection (CNG-DI) technology.

The basic difference between direct injection (DI) and the port-fuel injection (PFI) systems we've become familiar with since the mid-1980s is that PFI sprays fuel into the intake manifold (behind ...

2008 - PACE Award Winner Continental What: Piezo Direct Injection System for Gasoline Applications Judge's Citation: Improving fuel injection is aimed at better performance from less gasoline, meaning ...

Replacing spark ignition with direct injection of natural gas can reduce fuel consumption by up to 25 percent, according to Westport Innovations. The company is working with Isuzu, Cummins, Ford and ...

The US Court of Appeals for the Federal Circuit affirmed three Patent Trial & Appeal Board final written decisions finding claims of three related patents unpatentable as obvious and reiterated that ...

Carburetors vs Electronic Fuel Injection - What's Best For Your Engine? What are the differences between carburetors, port injection, and direct injection? What are the advantages and disadvantages of ...

Six gas valves, shown here as yellow-pink puffs, provided the most effective cooling in highly sophisticated computer models created using a PPPL computer code known as M3D-C1. This code creates ...