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Stellantis aims to eliminate separate inverter, charger to improve EV efficiency

Stellantis has announced that, in collaboration with French battery company Saft and French National Center for Scientific Research, has made significant progress in eliminating two major components of an electric vehicle powertrain: the on-board charger and the power inverter for the motor. The company claims that doing this will allow for better space use in vehicles, as well as improvements in efficiency, cost and reliability of components. As a quick primer, also explained in the below video, the on-board charger and power inverter are sort of translators to get the right current to different parts of the electric powertrain. The on-board charger takes AC power from the grid and converts it to DC to charge the batteries. Then when power goes from the batteries to the electric motor, the power inverter converts that DC power back to AC. These components aren't exactly small. Frequently you'll find them packaged somewhere under the hood. What Stellantis and its cohorts have developed, and have been using on a test vehicle since last summer, are small power inverter boards that can be mounted very closely to the battery packs. They can handle both conversion needs, for charging and discharging, instead of needing two separate devices. The most obvious perk to this is that you can do away with those traditional components and free up more space, either for making smaller vehicles without losing interior volume, or adding space to a vehicle that wouldn't have had it otherwise. There's the additional benefit of reduced weight, something that EVs struggle with. Stellantis also claims improvements in efficiency, reliability, and cost, however, it didn't go into detail as to how this setup would do that exactly. We'll try to get in touch with representatives from Stellantis in order to get more information. We're still a ways out from seeing this technology in production Stellantis vehicles. The company said it aims to apply it to vehicles by the end of the decade. Saft is also looking at using it on stationary battery systems as well. So maybe we'll see it on a 2029 Ram 1500 REV, but for now, we'll be living with traditional chargers and inverters. Related Video: Green Alfa Romeo Chrysler Dodge Fiat RAM Technology Electric

2021 Alfa Romeo Giulia Review | Still the driver's choice

Nearly every luxury sport sedan similar in size to the 2021 Alfa Romeo Giulia is a great driving car, but none can topple Alfa from its throne as the best. Its quintessential sport sedan combination of agile handling, superior driver communication and powerful engines is the best in the business. Unfortunately, the highs are high, and the lows are low when it comes to the Giulia.  The interior is better now than it was at the beginning, but it’s still less than the Germans in both luxury and technology. A frustrating and laggy touchscreen infotainment system is hardly an improvement over the non-touch interface of before. A palatial back seat has never been a sport sedan trademark, but the Giulia's competitors nevertheless out do it in that regard too (should you care). And of course, thereÂ’s the question of long-term reliability. We hope that Alfa Romeo has worked out the GiuliaÂ’s reported issues over the years, but reliability is worth considering with the carÂ’s troubled history. Many of these flaws might be worth looking past if you want the ultimate driverÂ’s sport sedan, especially if youÂ’re thinking about the dynamite Quadrifoglio and its brilliant Ferrari-derived engine. What's new for 2021? After the heavy 2020 updates, not much changed for 2021. The trim options are streamlined to just four now: Sprint (new base trim name), Ti, Ti Sport and Quadrifoglio. AlfaÂ’s dual-pane sunroof is made standard on Ti, and the limited-slip differential is now standard on Ti Sport. A number of new colors are available: Ocra GT Junior, Rosso GTA, Rosso Villa d'Este and Verde Montreal. Nothing changes for the Quadrifoglio. What's the GiuliaÂ’s interior and in-car technology like? AlfaÂ’s upgrades for 2020 focused on improving the GiuliaÂ’s cabin, and itÂ’s much better for it. Materials on the steering wheel, dash and center console are more in touch with luxury expectations, and the control interfaces are sturdy, quality parts. The overall result still doesn't match most competitors, but it's no longer objectionable, and the materials generally feel nice to the touch. The design itself is attractive and minimalist. It lacks the Swedish flair of a Volvo S60 or the drama of some of the offerings available from Lexus and Mercedes, but Alfa was sure to pack in just enough Italian flair (red leather helps) to keep things interesting.

2019 Alfa Romeo Giulia Quadrifoglio Review | As good as you imagine

When you affix words to a car such as “Alfa Romeo,” “Quadrifoglio,” “twin-turbo,” and “Ferrari-derived,” youÂ’re setting up some pretty serious expectations. Add to that a price tag thatÂ’s near the top of its segment, as with our 2019 Alfa Romeo Giulia Quadrifoglio, and those expectations creep ever higher to a point that seems hard to fulfill. But IÂ’m happy to report the Giulia passes with flying tricolores. ItÂ’s intensely fast, incredibly nimble, and surprisingly playful and approachable. ItÂ’s one of the most fun supersedans. Of course, the headline feature of the Giulia Quadrifoglio is that twin-turbo V6 based on a Ferrari engine, and it certainly deserves the hype. It generates a massive 505 horsepower and 443 pound-feet of torque. ThatÂ’s more power (though less torque) than the mighty Mercedes-AMG C 63 SÂ’s V8. Power comes on smoothly and only grows stronger with revs until the limiter kicks in. Lag is practically non-existent, and the exhaust note, though a bit blatty inside, generates a low, gritty howl outside thatÂ’s fitting for a slinky Italian sedan. The only thing preventing the powertrain from being the unquestionable class champion is the transmission. This is strange, since itÂ’s the vaunted ZF eight-speed automatic, but it shifts slowly for such a sporty car. At least itÂ’s smooth, and the huge metal shift paddles are a delight. As for the GiuliaÂ’s chassis, itÂ’s marvelous with no caveats. What stands out is its playful demeanor. It keeps you informed of every move it makes, even throwing in a bit of Miata-like body roll. The steering isnÂ’t quite as talkative, but is more so than many of its competitors, especially BMW, and itÂ’s lightning-quick and weighted well. To cap it off, the car is highly stable, even on rough pavement, and the wide tires offer tremendous grip. The ride can occasionally be bumpy, but never harsh. ItÂ’s well-balanced. At this point it's also worth noting that the character of the Giulia can be altered substantially with the drive mode selector. The settings are "Race," "D," "N" and "A," with the latter standing for "Dynamic," "Normal" and "Advanced Efficiency." Race and Dynamic are the sportiest with the quickest throttle response, loud exhaust, and more lenient traction settings, and they set the suspension to the firm setting by default. But the suspension can be switched back to the normal setting by pressing the shock absorber button.