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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.

The UAW's 'record contract' hinges on pensions, battery plants

DETROIT - After nearly four weeks of disruptive strikes and hard bargaining, the United Auto Workers and the Detroit Three automakers have edged closer to a deal that could offer record-setting wage gains for nearly 150,000 U.S. workers. General Motors, Ford Motor and Chrysler parent Stellantis have all agreed to raise base wages by between 20% and 23% over a four-year deal, according to union and company statements. Ford and Stellantis have agreed to reinstate cost-of-living adjustments, or COLA. The companies have offered to boost pay for temporary workers and give them a faster path to full-time, full-wage status. All three have proposed slashing the time it takes a new hire to get to the top UAW pay rate. The progress in contract talks follows the first-ever simultaneous strike by the UAW against Detroit's Big Three automakers. The union began the strike on Sept. 15 in hopes of forcing a better deal from each major automaker. But coming close to a deal is not the same thing as reaching a deal. Big obstacles remain on at least two major UAW demands: restoring the retirement security provided by pre-2007 defined benefit pension plans, and covering present and future joint- venture electric vehicle battery plants under the union's master contracts with the automakers. On retirement, none of the automakers has agreed to restore pre-2007 defined-benefit pension plans for workers hired after 2007. Doing so could force the automakers to again burden their balance sheets with multibillion-dollar liabilities. GM and the former Chrysler unloaded most of those liabilities in their 2009 bankruptcies. The union and automakers have explored an approach to providing more income security by offering annuities as an investment option in their company-sponsored 401(k) savings plans, people familiar with the discussions said. Stellantis referred to an annuity option as part of a more generous 401(k) proposal on Sept. 22. Annuities or similar instruments could give UAW retirees assurance of fixed, predictable payouts less dependent on stock market ups and downs, experts said. Recent changes in federal law have removed obstacles to including annuities as a feature of corporate 401(k) plans, said Olivia Mitchell, a professor at the University of Pennsylvania Wharton School and an expert on pensions and retirement. "Retirees want a way to be assured they won't run out of money," Mitchell said.

Bob Lutz says Tesla remains 'fringe' brand

We've said it before, we'll said it again: Bob Lutz gives great quotes. From his toilet-themed opinion of global warming to Toyota's deity status, the man knows how to get your attention. His latest? Saying that Tesla Motors is and will remain a fringe brand. Take that, Tesla fanbois. This, of course, is the same fringe company that prompted Lutz and his former colleagues at General Motors to start working on the Chevy Volt around eight years ago. The same fringe company that has easily outsold the similarly priced (but don't call it a competitor) Cadillac ELR with its Model S. Lutz did clarify that the fringe status will only last until Tesla comes out with a mass-market electric vehicle that has a range of 200 to 300 miles. Lutz was on CNBC talking about the TSLA stock's recent performance, and he pointed out that even Tesla CEO Elon Musk says that the California automaker's stock is overvalued these days. Despite its prevalence around these parts, Tesla is not yet a household brand. But the company is working hard to get a cheaper, long-range EV to market in the not-too-distant future, so this fringe thing may not last much longer than that show Fringe did. Watch the video below. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. News Source: CNBC via Green Car Reports Green Chevrolet Tesla Green Culture Electric Hybrid PHEV cnbc