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Click above for the Autoblog Podcast in iTunes, RSS or listen now!

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2011 Chevrolet Volt plugs in at the RenCen – Click above for high-res image gallery

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Sources (i.e., email tips and a Tweet from Ward's Auto) are telling us that General Motors Vice Chairman Tom Stephens told attendees at the Directions in Engine-Efficiency and Emissions Research (DEER) conference in Detroit today that a diesel-engined passenger car is coming to the U.S. sometime in the future. Nothing has been officially decided, but Stephens indicated that GM has a portfolio of diesels to draw from, noting that it's up to the marketing department to define what engine and platf

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Sources (i.e., email tips and a Tweet from Ward's Auto) are telling us that General Motors Vice Chairman Tom Stephens told attendees at the Directions in Engine-Efficiency and Emissions Research (DEER) conference in Detroit today that a diesel-engined passenger car is coming to the U.S. sometime in the future. Nothing has been officially decided, but Stephens indicated that GM has a portfolio of diesels to draw from, noting that it's up to the marketing department to define what engine and platf

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2009 Chevrolet Orlando concept - Click above for high-res gallery

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It pays to be an executive for General Motors. Actually, scratch that... it will soon pay to be an executive with General Motors, assuming that the automaker's upcoming Initial Public Offering takes place according to plan. According to our friends at TheDetroitBureau.com, a dozen top officials at the company could be looking at a payday totaling as much as $13 million or more, depending on the value of GM stock after the IPO.

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A year after entering bankruptcy protection, the executive shuffling is still ongoing down at General Motors. The latest moves come in the wake of the creation of GM's new venture capital unit, which will be headed up by Jon Laukner, whose previous job was vice president in charge of product planning and program management.

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General Motors' two-mode hybrid system hasn't exactly been a commercial success. GM has had a hard time finding customers willing to part ways with $10,000 or more for a fully capable SUV with sedan-like city fuel economy, but that reportedly isn't stopping the Detroit, MI-based automaker from improving its hybrid formula for its next generation of vehicles. GM is said to be working on a new electric motor that will reportedly shrink in size by 25 percent while increasing power by 20 percent. Th

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General Motors' two-mode hybrid system hasn't exactly been a commercial success. GM has had a hard time finding customers willing to part ways with $10,000 or more for a fully capable SUV with sedan-like city fuel economy, but that reportedly isn't stopping the Detroit, MI-based automaker from improving its hybrid formula for its next generation of vehicles. GM is said to be working on a new electric motor that will reportedly shrink in size by 25 percent while increasing power by 20 percent. Th

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Join John McElroy and his journalist colleagues for an all-new LIVE webcast discussion with Tom Stephens, GM Vice Chairman of Global Product Development. First, you'll get to see a LIVE taping of Autoline Detroit starting at 10AM EST, then we will hand the mic over to the audience, and Tom Stephens will answer your questions coming through the website and our hotline 1-620-288-6546 (1-620-AUTOLIN).

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I reported last month on Nissan's LEAF EV plans, as presented by Nissan Product Planning VP Larry Dominique at the August Center for Automotive Research Management Briefing Seminars (CAR MBS) in Traverse City, MI. Dominique's presentation was one highlight. Others included three speakers from Toyota and two each from Ford and GM that I wanted to share with AutoblogGreen readers. Can't cover everything, but here are interesting excerpts:

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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 full-size light duty trucks, was shelved as gasoline prices dropped and sales were plummeting across the board. The program was never officially pronounced dead, merely on indefinite hold. At this point the e

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2011 Chevy Volt - Click above for a high res gallery

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The Saturn Vue was supposed to be GM's first plug-in hybrid, but the pending loss of Saturn leaves the General's upcoming plug-in tech without a vehicle or brand. The Vue plug-in was originally going to arrive in 2011 in a cooperative demonstration test fleet with the U.S. Dept. of Energy (DOE) and nonprofit Electric Power Research Institute (EPRI). Vice Chairman and former head of GM Powertrain Tom Stephens explained on the GM Fast Lane blog that while Saturn won't get plug-in tech, one of the

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In its viability plan submitted to the U.S. Treasury, General Motors promised to boost the number of hybrids in the company's lineup to 26 models by 2014, up from eight today. Although there are no concerns that the technology would be ready, there could be shortage of certain parts. According to what Tom Stephens, GM executive vice president of global powertrain and global quality, told Automotive News: "There are a lot of ifs, ands and buts associated with that. We will have all of this develo

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For the history-minded, there's a short, interesting article on AutoWeek's website about GM's early difficulties and eventual success with their cylinder deactivation system. The article starts with GM's failed attempt at rolling out their first production engine with the system installed under the Cadillac badge called V8-6-4 in 1981. The system had so many problems that Cadillac dealers often disconnected it because there was no known fix.

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