Port fuel injection has some big advantages, but automakers increasingly are using gasoline direct injection instead. The ...

Carburetors are old news. We've moved on to electronic fuel injection long ago. But of the two main varieties of fuel ...

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 ...

If you think direct-injection diesel engines made their debut in the 1980's, think again. The first diesel without extra ...

Direct injection is exciting technology in that it allows car enthusiasts to have their cake and eat it too. How so? By both improving fuel efficiency and increasing horsepower. This being the case, ...

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 ...

Times are a-changin’, folks. 2010 was twelve years ago, and a lot of the affordable used performance cars available today are more technologically advanced than ever. And none of those technologies ...

Gasoline direct injection (GDI) engines emit less carbon dioxide (CO 2) than port fuel injection (PFI) engines when fossil fuel conditions are the same. However, GDI engines emit more ultrafine ...