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 ...

Isuzu Motors (Japan) announced Friday that it is partnering with Canadian company Westport Innovations to develop engines using Westport’s Compressed Natural Gas Direct Injection (CNG-DI) technology.

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 ...

Improving fuel efficiency and reducing CO2 emissions as much as possible is one of the main tasks for the struggling American automaker General Motors who is currently facing a 60-day deadline to ...

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 ...

General Motors Europe is introducing a range of newly developed Ecotec petrol and diesel engines which meet Euro 4 emission standards, and deliver high specific power with low fuel consumption. With ...

The effects of lubricating oil on friction and engine-out emissions in a light-duty 2.2L compression ignition direct injection (CIDI) engine were investigated. A matrix of test oils varying in ...

QUESTION: I just bought a new Cadillac, despite an obviously misinformed pitch by the salesman. He was too clever to get into an argument with a potential buyer, but when he said the SRX engine had ...

Ford of Europe will install gasoline direct-injection, spark-ignition engines into some of its smaller vehicles beginning in 2003. Called Duratec SCi - for Smart Charge injection - the engines feature ...

Q: I have a 2009 VW with gasoline direct inject and a 2.0-liter turbo engine. It recently needed the intake valves cleaned (a very costly job) after just 54,000 miles. I understand many manufacturers ...