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Volvo XC90 Coasting Transmission Deep Dive | How, when and why of coasting

In our recent 2021 Volvo XC90 Recharge review, its turbocharged-supercharged-hybridized powertrain delivered impressive horsepower and fuel economy. But Volvo has one additional trick up its sleeve, propelling a car with power that's simpler, cheaper and all-natural: It's the power of momentum and gravity. I've always been halfway to a hypermiler. I'm not obsessive about it, but in city driving, I enjoy timing stoplight approaches to keep the wheels rolling and avoid the inertia of restarting from a stop. There's little point to needlessly racing and braking between red lights, wasting kinetic energy (and therefore fuel). So I tend to drive strategically instead, often catching up with the drivers who jackrabbit but get hung up at the lights. And, back when I owned a long line of vehicles with manual transmissions, I coasted. Coasting used to be slightly controversial. Some claimed it doesn't actually save gas, though my mileage calculations showed otherwise. Another school of thought insisted that removing engine braking from the equation, even momentarily, constitutes a dangerous loss of control. Of course, an experienced driver can slip a manual transmission back into gear in a flash when engine braking's actually needed. And one should always use some common sense and judgment about when and where to coast. I'm not talking about careening down a 15% grade into a school zone.  Anyway, those arguments became moot when automatic transmissions pretty much took over. (And no, never coast with a typical automatic transmission. Even if it weren't damaging to your type of automatic — but assume that it is — the risk of screwing up a nudge of the shifter from drive into neutral is too great.) XC90 Recharge 8 View 18 Photos But happily, some automakers in recent years have added a coasting feature to their automatics, with the aim of eking out more fuel efficiency. Volvo calls the feature on its Aisin eight-speed "Eco Coast." Some Mercedes, BMWs and others call it "sailing" or "gliding." The Hyundai Ioniq, Ford Mustang Mach-E and Polestar 2 are among EVs that allow you to cancel out all regeneration and freewheel downhill. And future cars such as the BMW iX are also being designed to do it. By building coasting into the clockworks, automakers have taken any traffic safety concerns out of the question, because the car will instantly switch you back into gear when needed.

Volvo Concept Recharge full of sustainable materials

In June, Volvo showed us the conceptual exterior of its future vision in a swoopy wagon-like package called the Concept Recharge. The Swedes are now ready to show us the vision's interior and tell us what it's made of, calling it "a manifesto for Volvo Cars' future." With the context being Volvo's aim of selling only EVs by 2030 and being carbon neutral by 2040, the battery-electric Concept Recharge is a way for the automaker to get there and look stylish while doing it. It starts and nearly ends with employing sustainable, recyclable materials everywhere. Outside, the front and rear bumpers and the rocker panels are fashioned from flax composite. Only six percent of the materials in the specially developed Pirelli tires come from fossil resources, the rest from recycled and renewable materials like natural rubber, bio-silica, rayon and bio-resin. Every aspect of the bodywork has been shaped to increase aerodynamic efficiency, from the wheel design to the compact, upright rear end. Efficiency will also be a key development for the batteries. Volvo hasn't mentioned those yet in regard to the concept, but we know the company doesn't simply want to add more cells to increase range, since that adds weight and increases a vehicle's carbon footprint. Volvo is working with Swedish firm Northvolt on more energy-dense battery packs with shorter charging times. Inside, the Concept Recharge takes an evolutionary leap from the sustainable cabin now available in the C40 Recharge. The seat backrest and top of the instrument panel are dressed in "responsibly sourced Swedish wool" woven into a breathable, additive-free cloth. The seat bolsters and door panels areas that will see a lot of contact are covered in Tencel, a soft-touch yet durable cellulose fiber product. The floor and lower doors are wrapped in 100% wool. The seatbacks, the fronts of the headrests, and part of the steering wheel are covered in a material Volvo developed called Nordico. The company's being secretive about the composition, only telling us that Nordico's been created out of recyclable ingredients found in sustainable forests. And flax composite shows up again inside in the storage pockets, the back of the headrest, and the footrests. The automaker says that if the Concept Recharge's battery is charged using renewable energy, it would contribute less than 10 metric tons of CO2 over the wagon's lifespan. The U.S.

Geely plans to launch hundreds of satellites to guide autonomous cars

BEIJING — China's Zhejiang Geely Holding Group said on Tuesday it was investing 2.27 billion yuan ($326 million) in a new satellite manufacturing plant, where it plans to build low-orbit satellites to provide more accurate data for self-driving cars. Geely, one of China's most internationally-known companies due to its investments in Daimler, Volvo and Proton, is building the facilities in Taizhou, where it has car plants. It aims to produce 500 satellites a year by around 2025, with around 300 highly-skilled staff, it said in a statement. Geely's technology development arm, Geely Technology Group, launched Geespace to research, launch, and operate low-orbit satellites in 2018. Geespace will begin the launch of its commercial low-orbit satellite network by the end of this year, Geely said. Geely said low-orbit satellites would offer high speed internet connectivity, precise navigation, and cloud computing capabilities to cars with autonomous driving technology. Geely, which sold 2.18 million cars last year, is among global automakers from Tesla to Toyota to pursue autonomous driving technologies. It is building low-orbit satellites to meet demand for high-speed connectivity capabilities that can deliver fast software updates. From around 2025, Geely's cars will have more functions to connect to the satellites. Related Video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.     Green Plants/Manufacturing Mercedes-Benz Volvo Emerging Technologies Autonomous Vehicles