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GM exploring ways to raise half-ton Duramax diesel tow rating

Lots of truck owners cheered when GM announced fuel economy numbers for the 2020 Chevrolet Silverado with the 3.0-liter Duramax diesel inline-six. Even after Ram let loose its EPA mileage ratings for the 2020 Ram 1500 EcoDiesel, the Chevy oil-burner still took the trophy. The victory was years in the making, GM engineers spending an entire four-year development cycle refining the LM2 Duramax to increase mileage. The tradeoff, as well all know by now, is towing; the Duramax in half-ton duty pulls a maximum 9,300 pounds in the Silverado. Rivals across town can do more, the Ford F-150 PowerStroke rated at 11,500, the Ram 1500 EcoDiesel game to pull 12,560. GM engineer John Barta told Muscle Cars & Trucks that more hauling chops could be on the way, explaining, "We’re actually looking at upgrading some of the materials around (the engine bay) to see if we can maybe raise our tow rating." Engine bay materials are at issue due to thermal complexities underhood. John Barta, GM's assistant chief engineer of diesel engine controls, said the Duramax's inline-six configuration allowed engineers to get emissions hardware like the combined selective catalytic reduction, diesel oxidation catalysts, and diesel particulate filter unit closer to the engine, where it heats up quicker, getting emissions down quicker. But that filter puts another heat source in those confines, enforcing a cap on the tow rating to keep the engine and other systems from overheating. "If you look under the hood," he said, "youÂ’ll see a significant amount of silver ‘moon tapeÂ’ around to make sure things arenÂ’t getting overheatedÂ… if we were to go up in higher towing, which we can, we start impacting the possibility of deteriorating some of the components.” There isn't much space for more grille, so swapping for a better grade of "moon tape" or a different kind of material could reduce engine bay heat, extracting a higher tow rating in the process.  It's important to note a point Barta's been making for months about the Duramax figures, though. "Even though itÂ’s nice to brag about big numbers, in reality, light duty customers are not towing that large with their trucks," and, "We do know that (95 percent) of our light duty customers donÂ’t tow over 9,000 pounds." On our First Drive of the 2020 Silverado diesel we called out the tow rating, but emphasized that the Chevy and GMC have more important challenges to overcome.

Chevy Bolt officially keeping name, says marketing boss

There might be just a little confusion at first, but the Bolt name is sticking around. After conducting two consumer studies into the name, Chevrolet isn't worried about the similarity of the monikers for the upcoming EV and existing Volt plug-in hybrid. In fact, the brand thinks the resemblance might be for the best. "The decision is made. The name won't be changed." Chevy head of marketing Tim Mahoney said to The Detroit Free Press. The research shows that the compatibility between the two names actually works quite well. With the Volt well established, people apparently already connect the Bolt to the Bowtie, which is just what a brand wants. Both studies indicated the ""same result, it did well," according to Mahoney. Just a few months ago, the future of the Bolt's name wasn't so clear. GM North America President Alan Batey said the company knew there might be confusion, and it was still mulling its options. The Bolt could be a breakthrough in the EV market with a 200-mile range and a possible price of around $30,000 after incentives. Production is set for the Orion Assembly plant in Michigan following a $200 million upgrade there, and the model could be in dealers as soon as 2017. That's just in time to take on the Tesla Model 3 with its claimed $35,000 price and similar driving distance as the Chevy. Related Video:

AWD turbodiesel Equinox, Terrain dropped for 2020

Citing low demand, General Motors is dropping the AWD diesel options off the Chevrolet Equinox and GMC Terrain roster. Chevrolet spokesman Kevin Kelly confirmed to CarsDirect that for 2020, the diesel versions of these SUVs will only be offered with front-wheel-drive. CarsDirect notes that with the AWD diesel Equinox and Terrain gone, the only AWD diesel option in this class is the Mazda CX-5 Skyactiv diesel, which is significantly more expensive: As the AWD diesel CX-5 is only available in a fully loaded Signature specification, the $42,045 price tag is almost $10k heftier than the cheapest comparable Equinox, the AWD 1.6-liter diesel LT which starts from $32,495. The 2019 GMC Terrain AWD SLE costs $34,795 in comparison, which works out to being around $7,200 cheaper than the Mazda. The higher trim levels for the Equinox and Terrain are Premier and SLT, respectively. Some reasoning behind the AWD diesel GM SUV's low uptake is their own price difference to base FWD gasoline models: you can get a 1.5-liter Equinox for less than §25,000 listed. While the 2.2-liter Mazda has plenty more power at 168 hp and 290 lb-ft, compared to 137hp and 240 lb-ft in the 1.6-liter GM SUVs, the Equinox and Terrain are notably more frugal – they are rated 32mpg combined, while the Mazda can manage 28 mpg. With better fuel economy and a significantly lower list price, the General Motors twins are at least more wallet-friendly when it comes to numbers, and as the vehicles will cease to be built in that configuration there's likely to be some cash on the hood on ones in stock. News Source: CarsDirectImage Credit: Chevrolet Chevrolet GM GMC confirmed gmc terrain chevrolet equinox