Direct-injected engines helped modern vehicles produce better fuel economy and stronger performance, but mechanics are ...

Turns out the old technology did a few things no computer has matched.

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 ...

Port fuel injection (PFI) was a major milestone in the early '80s. The integration of PFI rapidly changed the way fuel was delivered by increasing fuel economy and improving engine performance. Even ...

The study reveals the mechanisms behind wall film formation, a key contributor to particulate matter emissions under cold fuel conditions The growing concerns about air pollution and its harmful ...

In the ten years since its debut in the Corvette, the LT family has grown significantly with several variations offered across many GM platforms. The aftermarket has responded positively and is ...

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 ...

However, not all innovations are equal, and nor do they follow a constant upward trend. Instead, their evolution takes the form of an S-shaped curve that reflects their typical lifecycle from early ...

Ford announced today that direct fuel injection and turbocharging, which it brands EcoBoost, will increase gas mileage up to 20% on half a million of its vehicles within five years. The 2009 Lincoln ...

IT’S very frustrating for an engineer to have to live for years with a functionally inferior device just because the right way to do the job costs too much money. A perfect example is the carburetor ...