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Volvo's SuperTruck 2 looks ready to extend a ramp for K.I.T.T.

In 2009, the U.S. Department of Energy (DOE) entered a public-private partnership with willing Class 8 truck makers, the goal of the partnership to dramatically improve the freight efficiency of over-the-road (OTR) trucks. The term "freight efficiency" refers to freight-ton efficiency, a different metric than miles per gallon because it takes into account the weight of the truck; a lighter tractor-trailer can carry more weight before reaching the 80,000-pound legal maximum on most U.S. highways. Volvo, Daimler (which owns the Freightliner and Sterling brands), Navistar (International), and Peterbilt signed on the the partnership to develop what's being called a SuperTruck. Volvo, Daimler, and International make their own engines, Peterbilt teamed up with Cummins, and all four found their own trailer manufacturers to work with. Those four makers debuted their first iterations of what's being dubbed SuperTrucks about six years ago. This year has been all about SuperTruck 2, Volvo the last of the quartet to show what it's achieved. The goal for SuperTruck 1 was to achieve a 50% increase in freight efficiency compared to a 2009 baseline, the baseline in Volvo's case being a 2009 VNL 670 tractor. The goal for SuperTruck 2 was another 50% improvement. Volvo said its internal goal was a 120% betterment compared to 2009, and that it exceeded the mark with a 134% increase. The company said the huge gains came primarily from aerodynamics: A wedge-shaped front with a smaller frontal area thanks to a smaller cooling package; the heavily curved, wraparound windshield; the tractor's adjustable ride height; using camera for side mirrors; and adding a boat tail to the back of the trailer, plus enough fairings and skirts front-to-back to make the tractor and trailer look like a single unit when driving in a straight line. Volvo did make changes to its rolling lab that aren't likely to infiltrate the U.S. market anytime soon. It's common for U.S. OTR trucks to use a 6x4 configuration, with two axles behind the cab, both driven. Volvo's SuperTruck 2 went with a 4x2 setup common in Europe, using a single axle behind the cab, and fitted a composite driveshaft. Combined with making the chassis out of aluminum instead of steel, and trailer partner Wabash providing a lightweight aluminum van, the tractor-trailer combo weighed just 27,000 pounds.

All-new Volvo VNL Class 8 tractor loads up on car-like features

A few months ago, we wrote about the public-private partnership between the U.S. Department of Energy and Class 8 truck makers to create concepts called SuperTrucks. The four manufacturers involved designed lighter, more aerodynamic, and more fuel-frugal trucks to hit escalating freight efficiency targets in each phase of the program. Daimler, Navistar, Peterbilt, and Volvo spent the past 18 months showing the results of the SuperTruck 2 phase while work gets going on SuperTruck 3. This month, Volvo becomes the first of that group to debut an all-new truck incorporating lessons learned in the SuperTruck program. Starting with a clean sheet of paper, the new Volvo VNL is said to be as much as 10% more fuel efficient than before, a stat to get fleet managers and owner-operators to pay attention. Even carmakers tout a 10% increase in fuel economy, and the benefit — like the size — is so much larger in trucks. Let's keep it easy and say a solo driver does 100,000 miles in a year in a truck that averages 7 miles per gallon. That driver needs 14,286 gallons of diesel to do those miles; at $4 per gallon, that's $57,144. If the VNL driver gets 10% better fuel economy and his truck returns 7.7 miles per gallon, this driver only needs 12,987 gallons of diesel, and pays only $51,948. Tell a fleet manager they can save $5,000 per truck, and assuming a sensible purchase price and consistent reliability costs, that fleet manager is going to want to set up a meeting. Just as with car redesigns, a lot of little changes went into this, some we'll recognize from the car world. The VNL's cab adopts a stronger wedge shape and sharper corners. Instead of the usual large, flat windshield sealed with a gasket, the new VNL gets a curved windshield bonded to the body. Tighter gaps between exterior components like the bumper and hood leave fewer spaces for turbulent, draggy air to develop. Volvo also reworked the area behind the cab to reduce one of the greatest aerodynamic maelstroms, the gap between cab and trailer. The D13 engine up front is said to be more fuel efficient and more durable, offering a range of outputs from 405 to 500 horsepower and from 1,748 to 1,947 pound-feet of torque. Considering that the first VNL generation lasted 22 years before a major redesign, from 1996 to 2018, Volvo incorporated powertrain flexibility into this one.

Electric Hummer is official, and Tesla's got momentum | Autoblog Podcast #612

In this week's Autoblog Podcast, Editor-in-Chief Greg Migliore is joined by Senior Editor Alex Kierstein and Senior Editor, Green, John Beltz Snyder. They start things off with a discussion of the week's news: GMC is launching an electric Hummer truck with a Super Bowl ad, and Tesla was profitable in Q4, sending its stock soaring. Then they talk about what they've been driving, including a super badass Mercedes-Benz Sprinter, the Kia Telluride and their long-term Volvo S60 PHEV. There's no "Spend My Money" segment this week, so send in your questions for future podcast episodes. Autoblog Podcast #612 Get The Podcast iTunes – Subscribe to the Autoblog Podcast in iTunes RSS – Add the Autoblog Podcast feed to your RSS aggregator MP3 – Download the MP3 directly Rundown Hummer returns as electric GMC truck Further reading: Grappling with the dark side of EVs Tesla profitable for second straight quarter Cars we're driving: Mercedes-Benz Sprinter 3500XD Kia Telluride (whose safety tech won Autoblog's 2020 Technology of the Year Award) Long-term Volvo S60 T8 update Feedback Email – Podcast@Autoblog.com Review the show on iTunes Related Video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.