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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.

Recharge Wrap-up: Chevy bi-fuel Silverado 3500HD Chassis Cab, VW Car-Net works with Apple Watch

Volkswagen's Car-Net app will be compatible with the Apple Watch. Using the app, owners will be able to lock and unlock their car, check charging status or fuel level, locate their car, flash the lights, and honk the horn of their vehicle remotely from their wrist. E-Golf owners can begin or end charging or operate climate control through their Apple Watch. The app can also monitor other household drivers with speed and boundary alerts - perfect for the parent who lends their car to a teenager. Read more in the press release from Volkswagen. Chevrolet is launching the bi-fuel 2016 Silverado 3500HD Chassis Cab. The work truck will now offer a version that will run on both gasoline and compressed natural gas (CNG). "CNG burns cleaner and costs less at the pump than gasoline, making it an appealing option for fleets," says GM's Ed Peper. Companies like Southern California Gas Co. find that trucks like this meet their work needs and help them achieve their goals of greening up their fleets, GM says. Read more in the press release from GM. UPS has made a deal to buy renewable natural gas from Clean Energy Fuels. This make UPS the biggest user of natural gas in the shipping industry. Clean Energy Fuels, co-founded by T. Boone Pickens, will provide UPS with its Redeem brand natural gas, which uses methane captured from landfills. UPS hopes to log 1 billion miles with its alternative fuel and advanced technology fleet by 2020. "Our rolling laboratory approach provides a unique opportunity for UPS to test different fuels and technologies," says Mitch Nichols of UPS. "Today's RNG agreement will help mature the market for this promising alternative fuel." Read more in the press release below. UPS BECOMES NATION'S LARGEST USER OF RENEWABLE NATURAL GAS IN SHIPPING INDUSTRY New Agreement with Clean Energy Will Help Grow Market for Use of Methane Gas from Landfills as Fuel Atlanta, May 5, 2015 – UPS® (NYSE:UPS) today announced it has entered into an agreement to purchase renewable natural gas (RNG) for its delivery vehicle fleet from Clean Energy Fuels Corp. (NASDAQ: CLNE). The deal signifies UPS's plan to significantly expand its use of renewable natural gas for its alternative fuel and advanced technology fleet. The company has a goal of driving one billion miles using its alternative fuel and advanced technology fleet by the end of 2017. Clean Energy Fuels, co-founded by T.

Junkyard Gem: 1980 Chevrolet LUV Mikado

During the 1970s and into the 1980s, each member of the Detroit Big Three imported Japanese small pickups and sold them with Ford (Mazda Proceed), Dodge/Plymouth (Mitsubishi Forte), or Chevrolet (Isuzu Faster) badges here. Ford developed the Ranger and killed the Courier for 1983 (though Americans could still buy the Mazda-badged version all the way through 1993), while The General axed the LUV after the S-10 debuted in the 1982 model year. Isuzu sold the same truck as the P'up through 1987, though, and we might as well follow up our recent P'up Junkyard Gem with its LUV predecessor. LUV stood for Light Utility Vehicle, and I've managed to spot a handful in the boneyards over the years. This one now resides in a yard in northeastern Colorado. The Mikado trim package included striped seat upholstery and a sporty steering wheel, plus these cool dash badges. As far as I can tell, no LUV Mikado advertising featured any Gilbert and Sullivan tunes. This one is fairly rusty for Front Range Colorado, and it has endured a bed swap from some other small truck. The engine is the 75-horse Isuzu 1.8-liter. Members of this engine family went into everything from Chevy Chevettes to Isuzu Troopers in the United States. Very unusually for a small pickup during the Malaise Era, this one has a luxurious automatic transmission. Acceleration must have been a leisurely affair in this truck. Air conditioning? Unheard of! Someone stuck every one of their lunchtime apple stickers on the driver's door. After 41 years of work, this truck is done. Come on strong in a LUV of your own!