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Mysterious Maserati test mule could be upcoming Alfa Romeo Giulia

Well well well, what have we here? The truth is that we don't know. It seems to be a Maserati Ghibli, but since that model is already out on the market, we're likely looking at something else. Just what is the question, and the answer likely lies in the wheelbase. While this test mule, spied undergoing cold-weather testing in northern Sweden, is clearly wearing the bodywork (and likely most of the mechanical bits) from the Ghibli, it's riding on a shortened wheelbase. Which tells us this could be one of two things: it's likely to be a test mule either for the upcoming Maserati Alfieri sports car, or for the new Alfa Romeo Giulia. The Alfieri was presented in concept form at the Geneva Motor Show back in March, foreshadowing a new sports car to serve as a halo model in the Maserati lineup. The production version is expected to be smaller and nimbler than the existing GranTurismo and positioned against the likes of the Porsche 911, Jaguar F-Type and Mercedes-AMG GT, to name just a few. The Giulia, meanwhile, is slated to be the first all-new Alfa Romeo since the arrival of the 4C last year and the Italian marque's first mainstream model since the launch of the Giulietta in 2010. The new sedan is expected to go after the likes of the BMW 3 Series and the new Jaguar XE, slotting in below the larger Maserati Ghibli that seeks to challenge the 5 Series and XF. If this is indeed a test mule for the new Alfa sedan, the quad tailpipes would seem, as our spy photographers point out, to indicate it's laying the groundwork for the GTA performance version. One way or another, there's something enticing to be coming soon from Italy, so watch this space.

Watch 14 hot rides take over concept car lawn at Pebble Beach

The Pebble Beach Concours d'Elegance is an annual celebration of the beautiful, old cars that grace Monterey Car Week. But Monterey – and Pebble – features lots of newer metal, too, and that includes the concept lawn at Pebble Beach. Now, "concept lawn" isn't a totally accurate name anymore, and you'll see why in the list below. This year especially, plenty of production cars can be found in the area once reserved for the conceptual. Still, we're happy to see them. Here's what's featured this year: Alfa Romeo 4C Spider Audi R8 BAC Mono Bentley EXP 10 Speed 6 BMW 3.0 CSL Hommage R Buick Avenir Galpin-Fisker Rocket Speedster Hyundai HCD-16 Vision G Coupe Icona Volcano Infiniti Q60 Lamborghini Asterion LPI 910-4 Maserati Ghibli McLaren 570S Rolls-Royce Wraith By our count, that's seven concepts out of fourteen cars. But it still makes for one hot group of metal. Check 'em out in the gallery above. Related Video: Related Gallery 2015 Pebble Beach Concept Car Lawn View 38 Photos Image Credit: Copyright 2015 Drew Phillips / AOL Design/Style Alfa Romeo Audi Bentley Buick Infiniti Lamborghini Lincoln McLaren Porsche Concept Cars Videos Original Video Pebble Beach

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