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 ...

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 ...

For Part II, covering the valvetrain, exhaust, and cylinder heads: click here. For Part III, covering the block, crankshaft and lubrication systems: click here. To properly fathom the lengthy, ...

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 ...

With so much on the line and even more to prove to consumers, General Motors has previewed its latest in fuel-saving technologies for the upcoming 2009 and 2010 model years. As is the case with other ...