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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.

Daimler and Volvo plan hydrogen fuel cell truck production in 2025

LONDON — Daimler's truck unit and Volvo said on Thursday they would start making hydrogen fuel cells in Europe in 2025 via a joint venture, and called for EU policies to help make the zero-emission technology commercially viable. The rival German and Swedish makers of large freight-hauling trucks formed their venture, Cellcentric, in March. They said they would provide more details on large-scale fuel production in 2022, but said Cellcentric was already scaling up prototype output. "Partnerships like Cellcentric are vital to our commitment to decarbonizing road transport," Volvo Chief Executive Martin Lundstedt said in a statement. Aside from the fuel-cell joint venture, the two companies remain competitors. Both hope to test fuel-cell trucks in about three years and start mass producing trucks in the second half of this decade. The European Union has been pushing tighter emission standards, fueling a boom in zero-emission electric cars. But batteries in electric vehicles are very heavy, and hydrogen fuel cells are seen as a potentially more viable zero-emission power systems for long-haul freight in the future. Fuel cells produce electricity from hydrogen, emitting only water. The two truck makers called for the construction of around 300 hydrogen refueling stations suitable for heavy-duty vehicles in Europe by 2025 and about 1,000 stations by 2030. During a video conference with the two firms, European Commissioner for Transport Adina Valean said the commission would this summer propose a revised alternative fuels directive. She said this "will include binding requirements for rolling out hydrogen fueling infrastructure ... and financial support will be available where needed." Automaker Stellantis said this year it would begin deliveries in Europe of its first medium-sized vans powered by hydrogen fuel cells by the end of 2021. Stellantis said at the time that Germany had 90 hydrogen stations and France had 25 — a tiny fraction of the thousands of petrol stations available for fossil-fuel vehicles today. As zero-emission trucks are significantly more expensive than fossil-fuel models, Daimler and Volvo said a "policy framework is needed to ensure demand and affordability." The two companies said policies should include subsidies for "CO2-neutral technologies and a taxation system based on carbon and energy content." Related video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.

New Lotus SUV could be based on Volvo architecture

Last year, Chinese carmaker Geely upped its stake in Lotus to a majority, recently investing more money into the British brand. Now, talking with Automotive News, CEO Jean-Marc Gales says Geely has approved three new models: two sports cars and the third an SUV. The sports cars will be announced later this year, and they will reach production in 2020. The last time a properly new Lotus debuted was in 2009 with the Evora, so a decade later new products are certainly due. But what about that SUV? Autocar says that since Geely also owns Volvo, that makes it possible for Lotus to base the SUV onto the Volvo SPA platform, which is also used in the XC60 and XC90. The choice of platform would mean the SUV would have to be a four-cylinder model, but that's nothing new to Lotus. It could even use Volvo's "Twin Engine" hybrid setup, which would mean a power output of over 400 horsepower as stock, and that with Lotus' eagerness for lightness could be a potent combination. Autocar quotes Gales as saying, "It will go round bends like nothing else in its segment." The target weight for the approximately Porsche Macan-sized SUV is under 2,000 kilos (4,400 pounds), and the Macan weighs 4244 pounds in 400-hp Turbo guise. The Lotus SUV is projected to hit the market in "about four years," and it's very likely to be built in China instead of Britain, as the Chinese market is very enticing — especially for this class of vehicle. The vehicles will still be designed at Lotus' Hethel HQ. Related Video: