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 ...

A couple of years ago, General Motors introduced a new-generation 3.6-liter direct-injection V-6—beating its Detroit rivals, and most other automakers, to market with a DI engine. Between the Los ...

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 ...

GM Powertrain announced today it will deliver a 3.6-liter V-6 gasoline engine with direct injection and variable valve timing (VVT) technologies in the 2008 model year. A vehicle application will be ...

Ralph Hanson December 18, 2008 Comment Now! General Motors has implemented new direct injection technology into the four-cylinder and six-cylinder engines found in the Chevrolet Equinox range, helping ...

Mazda has taken the wraps off a new ‘downsized’ engine displacing just 1.3-liters but developing upwards of 83 horsepower and 83 pound-feet of torque thanks to a couple of neat features. The tiny four ...

The internal combustion gasoline engine — we have a love/hate relationship with it. It creates a lot of pollution. It is incredibly inefficient. It spews carbon into the atmosphere. It makes us ...

Better fuel economy and lower emissions from gasoline direct-injection engines are getting closer. Most European automakers are preparing GDI engines for introduction in the next few years, starting ...

Cost and complexity are discouraging Hyundai from applying direct injection to small engines. Direct injection reduces fuel consumption and emissions and in some applications boosts engine performance ...

The other day I dropped my car off at a European specialist shop, and while I was there, a technician was working in the engine bay of a Mk7 Golf R, cleaning out carbon deposits off the intake valves.

Q: Numerous articles were published (including yours) in the past suggesting that direct injection gas engines might experience drivability problems at higher mileage due to deposits building up on ...