Automobile engines have undergone tons of changes over the years, primarily to make them more efficient. For the most part though, engine changes result from a string of iterative improvements on ...

Direct-injection engines were introduced with a promise that sounded ideal: more power, better fuel efficiency, and cleaner ...

It has been touted as the automotive holy grail, the ultimate marriage of better performance and greater fuel economy. It's the direct-injection (DI) engine, the latest technology designed to squeeze ...

Every new car sold in the United States today uses fuel injection, but not all fuel injection systems are the same. Some cars use port injection, while others use direct injection. Some even use both.

Gasoline direct injection (GDI) engines have become prevalent in modern light-duty vehicles owing to their improved thermodynamic efficiency and lower fuel consumption compared with ...

For years, Toyota Motor Corp. has put hybrids at the center of its powertrain-technology strategy, all but oblivious to the rapid fuel-economy advancements rivals have made in the humble gasoline ...

There's a new acronym floating around the performance industry—GDI—and it stands for gasoline direct injection. Among domestic production engines that have jumped heavily into the GDI segment are the ...

Despite advancements in hybrid power-trains and electrification technology, gasoline engines remain the predominant choice in passenger cars because of continued efficiency improvements, most recently ...

Most new petrol cars you see today are equipped with fuel injection systems or injector motors. These have almost wholly supplanted older carburetor motors. They are more reliable, effective, and ...