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 ...

Keeping the hydrogen and the combustion pressures inside takes serious sealing, so Toyota has multiple gaskets and o-rings to ...

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 ...

Nissan recently announced a range of new fuel-saving technologies that it plans to launch over the coming year as part of its new ‘Nissan Green Program 2010’ (NGP 2010) mid-term environmental strategy ...

Delphi is developing an engine fuel injection technology that could improve the fuel economy of gas-powered cars by 50 percent, potentially rivalling the performance of hybrid vehicles at less cost.

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 ...

A classic car is more than a way to get from A to B. It is a rolling time capsule, and few parts define its character as strongly as the way it breathes and burns fuel. The argument over whether a ...

Those who promised that Tesla was going to bet on a fuel other than gasoline are closer to seeing their ideas materialize. This new hydrogen engine will not be for the legendary brand, but it will ...

Over time and miles, your car might start to slow down. It might not accelerate as quickly as it once did; the engine may not run as smoothly as you remember, or the fuel economy may dip—but ...