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December sales for Chevy Volt, Nissan Leaf are what you expected

It was another month of as-expected sales for the two pioneering plug-in vehicles in the US. The Nissan Leaf is basically treading water and the new-generation Chevy Volt is getting back to old habits with a big increase in sales compared to where the car was last year. It wasn't a surprising month, but there wasn't any reason to expect a surprise. In fact, we don't suspect this trend to veer too far from where it's at right now until gas prices shoot up or Nissan introduces a new Leaf. Neither of those things is likely to happen any time soon. Let's start with the mediocre news. Nissan reported today that Leaf sales for December 2015 totaled 1,347 units. That's a 56.6-percent drop from where the Leaf was a year ago, and contributed to the all-electric vehicle's 42.8-percent drop in 2015 sales compared to 2014. This past year, 17,269 people bought Leafs, down from 30,200 who did so in 2014. The Volt sold 2,114 copies last month, bringing the plug-in hybrids 2015 total up to 15,393. That's an 18.1 percent drop from the 18,805 Volts sold in 2014. We shouldn't see the past year as a total flop for the Volt, though, since the much-improved second-generation model was introduced late in the year. In fact, if we just look at December 2015 and compare it to the last month of 2014, we see the Volt was able to post a 41.9-percent increase. It'll be quite fun to see where the Volt's numbers go in 2016. As you probably know, we'll have our complete wrap up of green car sales for you soon. Stay tuned. News Source: Nissan, Chevy Green Chevrolet Nissan Electric Hybrid ev sales

Next Chevy Volt will be 2016 model and ride on new chassis

What do we know about the 2016 Chevy Volt? Well, for now, all we can do is try to put the puzzle together without the box. Thankfully, a new batch of pieces has arrived from a new report in Edmunds, which says that the 2016 model year will introduce the second generation of a car that hasn't been dramatically updated since it went on sale in 2010. The new Volt is getting an "evolutionary styling change" and will ride on a new front-drive platform that has been developed by General Motors. GM's Kevin Kelly told AutoblogGreen that he has "no comment on future products," but he did acknowledge that Chevrolet is working on a second-generation Volt, "but I can't say anything about timing." Everybody already knew that a next-gen Volt is coming, so that's not a surprise. What we don't know is any real concrete information on the car itself. The few tidbits of information we do have help define the outlines of the next version of Chevy's halo car, but they're not confirmed yet. For the record, they range from the eye-raising (a $10,000 price drop) to the logical (20 percent more electric range). We can't see the whole picture yet, but the pieces do point to the 2016 Volt, which would be released next year sometime, being a much bigger deal than the last update, when the Volt's range was increased by three electric miles thanks to a battery capacity increase of 16 kWh to 16.5.

Leak reveals GM's 2017 heavy duty diesel trucks to get 910 lb-ft of torque [UPDATE]

UPDATE: Chevrolet officially announced specs for the 2017 Silverado HD and the rumors were true. The truck's new Duramax 6.6-liter turbo-diesel V8 puts out 445 horsepower and 910 pound-feet of torque. Chevrolet says the new motor produces 19 percent more torque and 12 percent more horsepower, while producing 35 percent fewer emissions. Overall, the new engine is a big improvement over the current motor, which generates 397 horsepower and 765 pound-feet of torque. According to Truck Trend, GM's newest heavy duty pickup trucks will pick up quite a bit more power and torque. The publication spotted a recent GM Powertrain ordering catalog that had the engine specs for the 2017 model year and managed to get some screenshots before the catalog was taken down, and they can be viewed here. The screenshots revealed that the 6.6-liter turbodiesel V8 powering the Silverado and Sierra heavy duty models will boast 445 horsepower and 910 lb-ft of torque. This is a substantial gain over the current models' 397 horsepower and 765 lb-ft of torque, and as Truck Trend points out, it exceeds the Ford Super Duty line's horsepower output of 440, but comes short of the 925 lb-ft rating. Truck Trend credits part of this output gain to the new intake system GM will introduce on the 2017 heavy duties. The intake gets 60 percent of its air from a scoop on the hood, with the other 40 percent coming from behind one of the front fenders. GM doesn't reveal horsepower figures in the press release about the scoop, but it does say the cooler air helps with maintaining the engine's output, and that the scoop does produce a ram-air affect, providing more air at speed. As we know, more air plus more fuel equals more power, but there's likely more to the power increase in this engine than only the intake. Related Video: News Source: Truck Trend via MSN Chevrolet GM GMC Truck Diesel Vehicles