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Stop-start standard in four-cylinder 2015 Chevrolet Impala

Chevrolet has announced that it will include stop-start technology as standard in the entry level 2015 Impala. The result is a nearly five-percent improvement in city fuel economy, also known as one mile per gallon, up to 25 mpg, combined. The 3.6-liter V-6 Impala will not feature stop-start. The 2015 Impala comes equipped with Chevrolet's 2.5-liter Ecotec four-cylinder engine, which will also offer 22 mpg in the city, and 31 on the highway. The 3.6-liter V-6 Impala will not feature stop-start and the mild-hybrid eAssist model from the 2014 MY, which got 29/25/35 combined/city/highway mpg, has been discontinued. Chevrolet spokesman Chad Lyons told Green Car Reports that not even one percent of the 2014 Impalas purchased were the Eco model. So Chevy is trying something different. With a seamless driving experience in mind, the new Impala's stop-start tech features software that governs under what conditions the feature will activate. The engine won't shut off if the car has not reached a speed of six miles per hour, so the start-stop won't be cycling during traffic jams. It can also fire the starter even if the engine has not come to a full stop, which quickens reaction time, particularly in instances of what Chevrolet calls "change-of-mind events." The stop-start function uses information about cabin temperature and humidity as well as battery charge to help determine whether or not to shut off the engine. The 2015 Impala has been engineered to reduce NVH, which will also help create a smoother stop-start experience for occupants, Chevy says. Motor mounts have been updated, and a burlier starter motor will help restart the engine after a stop. The Impala follows the 2014 Malibu as Chevrolet's second vehicle to feature stop-start tech. The four-cylinder model currently makes up over 30 percent of Impala sales. The 2015 Impala will be available beginning this summer, with a base MSRP of $27,735 (including destination charges). And while one MPG isn't a huge difference, neither is the price increase of just $50 for a bit of eco-minded innovation. Read on for more details in the press release below. Chevrolet Makes Stop/Start Standard in 2015 Impala Technology improves city fuel economy by 5 percent 2014-05-22 DETROIT – Stop/start technology will be standard on the 2015 Impala base 2.5-liter ECOTEC® engine, an addition that improves the vehicle's city fuel economy by nearly 5 percent, or one mile per gallon.

Surprise! GM putting aluminum in next-gen pickups

Last month, General Motors launched a series of ads touting the benefits of steel over aluminum – specifically, with regard to the Chevy Silverado versus the Ford F-150. (Kind of. We're not sure what a grizzly bear has to do with anything.) We took issue with the ads, with editor in chief Mike Austin saying they "reek of insecurity, and distract from the Silverado's strengths that could be used for positive advertising." But what bothers us more, is that yet another report surfaced claiming anti-aluminum GM will indeed use the weight-saving material in its next-generation fullsize trucks. On Tuesday, GM announced a $877-million investment for its truck plant in Flint, MI. But Reuters says that huge overhaul is because the trucks will use "substantially different equipment than the tools GM uses today." The report specifically states, "People familiar with the company's plans say GM's next-generation pickups and SUVs will make use of various materials, including aluminum and lightweight steel, to shed weight and gain fuel efficiency to meet tougher federal standards." The Silverado already uses a few aluminum components in the engine and hood, and if more widespread use will help GM build its best fullsize trucks ever, then that's great. Honestly, we have no reason to doubt that aluminum will be used in the next Silverado and GMC Sierra. We just hope GM remembers that nothing is ever truly deleted from the bowels of the Internet when it launches the subsequent "look how great aluminum is!" campaign. Related Video: News Source: Reuters Green Plants/Manufacturing Chevrolet GM GMC Truck aluminum steel

GM Recalls 218,000 Chevy Aveo Models Over Fire-Prone Lighting

The recall train keeps on rolling for General Motors. Hot on the heels of its recent 2.4 million-vehicle recall of various models, it's now calling in 218,000 Chevrolet Aveo units from the 2004-2008 model years because they could catch fire. The problem concerns the daytime running light module in the instrument panel. It could overheat, melt and cause a fire. According to GM spokesperson Alan Adler, "We are aware of some fires," and the company "is still investigating." Adler wouldn't comment about how many fires were reported or when the automaker was first aware of this issue because of the ongoing analysis. However, he said the issue has not caused any injuries or fatalities. GM also doesn't have a fix for the problem with the DRL module yet. The company says in its recall statement to the National Highway Traffic Safety Administration that the remedy "is still under development." Adler wasn't sure when it would be ready, but he said Aveo owners would receive notification in the mail "relatively soon." They will receive a second letter later to schedule the repair. In a separate letter about the Aveo's problem to NHTSA (viewable here as a PDF), GM said its Executive Field Action Decision Committee decided to conduct the recall on May 16. Scroll down for the recall report. RECALL Subject : Daytime Running Light Module Overheating Report Receipt Date: MAY 19, 2014 NHTSA Campaign Number: 14V261000 Component(s): Potential Number of Units Affected: 218,000 Manufacturer: General Motors LLC SUMMARY: General Motors is recalling certain model year 2004-2008 Chevrolet Aveo vehicles equipped with daytime running lights (DRL). In the affected vehicles, there may be heat generated within the DRL module located in the center console in the instrument panel, which could melt the DRL module. CONSEQUENCE: If the DRL module melts due to the heat generation, it could cause a vehicle fire. REMEDY: The remedy for this recall campaign is still under development. The manufacturer has not yet provided a notification schedule. Owners may contact General Motors customer service at 1-800-222-1020 (Chevrolet). General Motors recall number for this campaign is 14236. NOTES: Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.