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GM uses wind power to build SUVs, trucks

This week started with a chill, as the Intergovernmental Panel on Climate Change issued a dire report with scientists warning, "The world we know today is not the world we will see in 50 years," with temperatures rising at their current rates. In the meantime, the trend toward purchasing more SUVs and crossovers continues. Most automakers, though, have set goals toward more sustainable production. That includes General Motors, which, somewhat ironically, plans to use wind power to produce many of its vehicles, including pickups and full-size SUVs. As the Detroit Free Press reports, several wind farms are coming online to support cleaner production as part of a partnership between GM and energy producer CMS Enterprises. At the beginning of October, the 100-megawatt Northwest Ohio Wind Farm began producing energy, supplying GM operations in Ohio and Indiana, where manufactured vehicles include the Chevy Cruze, Chevy Silverado and GMC Sierra. Hilltopper Wind Farm in Illinois will begin producing another 100 megawatts for GM manufacturing in the region. In Texas, where GM builds the Chevrolet Tahoe, Chevrolet Suburban, GMC Yukon, GMC Yukon XL and Cadillac Escalade, the automaker is getting 50 megawatts from Cactus Flats Wind Farm beginning October 9. Using wind power isn't just about being green, but also for the sake of price stability. As Rob Threlkeld, GM's global manager of renewable energy told the Free Press, "You don't get the price spikes this way, like you do with fuel, and it reduces the environment footprint of the vehicle you're driving." Threlkeld said that renewable energy has already meant "millions of dollars in savings" for GM. GM plans to power all of its global operations with renewable energy by 2050. This week, the automaker was ranked 76 on the EPA's "National Top 100 List" of green manufacturers. It was the only automotive company listed. Related Video: News Source: Detroit Free Press, GM, EPAImage Credit: GM Green Plants/Manufacturing Chevrolet GM GMC Truck SUV wind power sustainability

MotorWeek Retro Review revisits 1984 Corvette

MotorWeek's Retro Reviews are always a great glimpse into the cars of yesteryear. However, the newly uploaded look back at the 1984 Chevrolet Corvette is an absolute treasure trove for any auto history buff. This is a full episode of the show from the '80s, and it's dedicated to all of the details about the newest 'Vette to hit the market at the time. Beyond just the usual drive and an in-depth walk around, one of the major highlights here is a brief look at some on the concepts that eventually resulted in the fourth-generation Corvette of 1984. The C4's shape harkens back to sketches from 1978, and there even shots of early clay models that led the way for the design. MotorWeek also takes a tour through the Bowling Green, KY, factory for a detailed inspection of the entire production process. John Davis repeatedly calls the Corvette "the plastic fantastic" during the episode, and he can't find too much negative to say about being behind the wheel of the then-new coupe. See how it stands up to your own memories in the clip above.

Chevy Volt outsells Nissan Leaf for first time since October 2013

It's been a rough summer so far for both the Chevy Volt and the Nissan Leaf, the first two plug-in vehicles from major automakers that ushered in the modern plug-in era. In June 2015, sales were down from their 2014 levels. The Leaf was down 11.6 percent and the Volt was down 31.1 percent. For July 2015, things didn't get much better. July 2015's Volt sales of 1,313 were down 35 percent from July 2014 and are down 34.8 percent for the year-to-date. Nissan, on the other hand moved only 1,174 Leafs last month, down 61.1 percent. So far this year, Leaf sales are down 30.2 percent. What's interesting with this steep decline in Leaf sales is that allowed the Volt to outsell the Leaf for the first time since October 2013. Back then, the Volt sold 2,022 compared to the Leaf's 2,002 units. So far, Nissan has sold 83,312 Leafs in the US since the EV went on sale in late 2010. Chevy has sold 80,292 Volts. Even though Tesla doesn't release monthly sales figures, there's a good chance that the pricey Model S was once again the best-selling EV in the US in July, as it was in the first three months of 2015. At that time, Tesla delivered an average of just under 2,000 Model S EVs a month. We might get some insight into more recent numbers during the quarterly investor call on Wednesday. As we've said before, the low sales for the aging plug-ins can be explained by the fact that both the Leaf and the Volt are due for upgrades. The second-gen Volt is coming in a few months. Nissan is being cagey about when the updated Leaf will arrive, but given these latest sales figures, we wouldn't be surprised if the undisclosed timetable gets move up somehow. Related Video: The video meant to be presented here is no longer available. Sorry for the inconvenience.