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Until recently, the only market segment in the United States that had embraced diesel engines was heavy duty pickup trucks. While we were in Maryland this week to drive the 2011 General Motors HD pickup trucks powered by the revised 6.6-liter Duramax diesel V8, we took the opportunity to ask about ...

Earlier this year, as General Motors was slashing spending on programs in a desperate and ultimately unsuccessful attempt to stave off bankruptcy, one of the victims was the new new 4.5-liter Duramax diesel V8. The engine, which was intended to start production in early 2010 for use in GM's ...

People who were hoping to get a diesel-powered light duty truck in the next few years are now pretty much out of luck. In a disappointing but thoroughly unsurprising move, General Motors has confirmed that its highly anticipated 4.5-liter Duramax diesel is on indefinite hold. Employees at GM's ...

We've written here several times about the brilliant packaging job that General Motors has done with its new upcoming 4.5L Duramax diesel V8. Beyond the basic packaging, the engineers have done a lot of fascinating work on the internals to reduce weight and improve efficiency as well. The main ...

Ever since General Motors announced a new 2.9L turbodiesel V6 for the European-spec Cadillac CTS there has been speculation about whether it would ever be introduced in the U.S. market. Last December, Cadillac General Manager told ABG that the company was evaluating the new engine for U.S. market. ...

About a year from now, General Motors will face a very interesting conundrum. The company will already be producing a version of its full-size pick-up trucks with a Two-Mode hybrid system. For the 2010 model year, another new engine will be added, a 4.5L diesel V8 that meets Tier 2 Bin 5 emissions ...

Earlier this week some shots of a new long-bed HUMMER H2 pickup truck turned up online. It's not known if this truck is being planned for civilian sales or strictly for military use as the color scheme suggests. Whatever the case may be, our friend Mike Levine, the proprietor of PickupTruck.com has ...