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Mercedes-Benz Concept IAA is a modern silver aero

While we English-speaking folk call it the Frankfurt Motor Show, our German friends call this week's bi-annual confab the Internationale Automobil-Ausstellung, or IAA. At first glance, then, you might think Mercedes-Benz named its Frankfurt concept, the Concept IAA, after the show it'd debut at. But, the Concept IAA isn't named for the show. It's actually an abbreviation for Intelligent Aerodynamic Automobile, and it's very aerodynamic indeed. This four-door coupe can transform, while moving, from its sedan-like design mode to an ultra-sleek, gas-powered fish of a car. This aerodynamic mode has a drag coefficent of just 0.19. That's sleeker than a Tesla Model S, and it ties the rating of the General Motors EV1 electric car. In fact, it's very nearly as aerodynamic as the Volkswagen XL1. The IAA can transform automatically at 80 kilometers per hour (about 50 miles per hour) or via the press of a button. When it enters an aerodynamic mode, eight segments at the back of the car extend out, adding over 15 inches to the overall vehicle length, effectively extending its already tear-dropped-shaped tail. And that's just the most visible aero aid. At the front of the car, flaps in the bumper extend out nearly an inch, while there's a smaller extender in the back bumper. These serve to keep air away from the wheel arches, where turbulence can become an issue. Of course, Mercedes has thought of this, too, fitting "Active Rims" that "alter their cupping from 55 mm to zero," whatever that means. There's even an active aero aid inside the front bumper, where a louver extends backward by 2.3 inches to smooth out the air traveling underneath the car. Outside of its super-slippery mode, the IAA is a relatively handsome four-door coupe, featuring the kind of plunging roofline that wouldn't look out of place on the company's pioneering CLS-Class. The interior is certainly worthy of the CLS, too. It's home to gorgeous white leather and touch-based controls, and in general, looks very luxurious. Mercedes' dogged pursuit of aerodynamics does not mean that the Concept IAA is some gutless ecomobile. Under the skin is a gas-powered, plug-in hybrid system that produces up to 279 horsepower and allows the sleek sedan to hit 155 mph. Its all-electric range is based, of course, on what mode its body is in. It's most impressive in aero mode, where it will cover 41 miles on a single charge. Switch over to design mode, and that figure drops slightly to 38.5 miles.

2015 Mercedes-Benz S65 AMG Coupe

For Mercedes-Benz to truly demonstrate the capabilities and sensations of the S65 AMG Coupe, it needs to commission the building of a highway halfway to the moon. That's right, a ribbon of Autobahn roughly 120,000 miles long, with 50,000 miles of twisties and sweepers. Let's even add some loop-de-loops though the ionosphere, since, you know, we're going all the way with this. We've been following the headlines about progress on a new lunar lander and the SpaceX Mars Colonial Transporter, but we recently discovered that we've already got both of them in the S65 AMG Coupe. This isn't a car, it's a rocket ship. And it's not perfect, but it is spectacular. Starting with the way it looks. When Mercedes unveiled the concept at the 2013 Frankfurt Motor Show, I wasn't impressed. In fact, I told the Mercedes PR person, "It's fine, but the rear end doesn't do anything for me." And today? I'll have the crow, please, with lots of ketchup. When the test car you see here arrived, my loins tumbled and my knees developed a slight tremble. By the following week I was posing thought experiments like, "What's hotter: me in this car, or nothing else ever?" It's big – just eight inches shorter than the S-Class sedan and only an inch narrower. It's an inch longer than the Porsche Panamera and four inches wider, but just 0.3-inches taller than that slinking sport sedan. Its size and segment seem to have freed the designers' pens, and we think it's the best and most unapologetic expression of the brand's current language. We'd normally vote "nay" to a face full of chrome, but the coupe has the width to spread the polished elements around, and the top-to-bottom three-dimensionality indeed earns the adjective "jewel-like." A button on the center console lifts the entire car to protect those jewels when needed. The profile doesn't give up on the rising, sculpted wedge we've known for years – the one we used to love on the SL-Class. And again, the 16.6-foot expanse of sheet metal gives those opposing swage lines an unhurried opportunity to carve the body. The sidelong swell is enhanced by the carbon-fiber rocker panel laid into the concavity along the bottom, as well as those hips over the rear wheels. Speaking of which, the polished, 20-inch forged rollers are spot on. The bluff backside is sculpted just enough to keep it interesting, from the decklid spoiler to the horizontals across the bumper and carbon diffuser. Mostly, though, it seems to say to anyone behind, "Please.

7 major automakers to build open EV charging network

A new joint venture established by BMW, GM, Honda, Hyundai, Kia, Mercedes-Benz and Stellantis will build a new North American electric vehicle charging network on a scale designed to compete with Tesla's industry-benchmark Supercharger network. The 30,000-plus planned new chargers will accommodate both Tesla's almost-standard North American Charging System (NACS) and existing automakers' Combined Charging System (CCS) options, effectively guaranteeing compatibility with the vast majority of current and upcoming electric models — whether they're from one of the involved automakers or not.  "With the generational investments in public charging being implemented on the Federal and State level, the joint venture will leverage public and private funds to accelerate the installation of high-powered charging for customers. The new charging stations will be accessible to all battery-powered electric vehicles from any automaker using Combined Charging System (CCS) or North American Charging Standard (NACS) and are expected to meet or exceed the spirit and requirements of the U.S. National Electric Vehicle Infrastructure (NEVI) program." Critically, the automakers involved will have a say in how the charging tech is implemented, guaranteeing that the hardware will play nicely with each automaker's in-house charging systems. Hyundai and Kia, for example, were hesitant to jump on board the Tesla NACS bandwagon earlier this year over concerns that the Supercharger network is insufficient for powering the two automakers' 800-volt charging systems; similar tech is used by Volkswagen and Porsche.  In addition to providing much-needed capacity and high-output charging for America's growing fleet of electric cars and trucks, the new network will integrate seamlessly with each automaker's in-app and in-vehicle features, rather than forcing customers to use third-party tools and payment systems, as is the case with some existing public charging infrastructure.  "The functions and services of the network will allow for seamless integration with participating automakersÂ’ in-vehicle and in-app experiences, including reservations, intelligent route planning and navigation, payment applications, transparent energy management and more. In addition, the network will leverage Plug & Charge technology to further enhance the customer experience," the announcement said.