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The List: Best of proving grounds

Proving grounds are where automakers and enthusiasts alike go to push their vehicles to their mechanical limits. The Rubicon Trail, located in the Sierra Nevada, is the ultimate off-road test, while Germany's Nurburgring is a grueling 13 mile road and track course. Jessi and Patrick visit both iconic proving grounds in this "best of" compilation of The List. If you like what you see, stay tuned to watch the full episodes, or click here to go directly to our episode archive and pick out some of your own favorite moments of The List to revisit. The List #0004: Conquer the Rubicon Trail The List #0073: Drive the Nurburgring Have an RSS feed? Click here to add The List. Click here to subscribe to The List in iTunes. Click here to learn more about our hosts, Jessi and Patrick. BMW Jeep Off-Road Vehicles Racing Vehicles The List Videos Original Video

Daimler, BMW partnering up on wireless charging

Plug-in vehicle advocates can get all warm and fuzzy about two Germany heavyweight automakers getting together for the sake of wireless charging. That's because Mercedes-Benz parent Daimler and BMW will work together to speed up development of a wireless charging system. While not a ton of details were divulged, we can still rejoice. Daimler says the system will consist of an on-board coil and another coil that can be placed within the garage floor or someplace similarly stationary. The system will charge at 3.6 kilowatts and with 90 percent efficiency. No details were released about the system's price or when it would be available, but Daimler shouldn't wait too long, since other OEMs are already talking about their own wireless charging systems. Daimler obviously has some skin in the game here, since Mercedes-Benz will start sales of its S500 plug-in hybrid in September. That model, which was first shown off last August at the Frankfurt Auto Show, can go as far as 20 miles on electric power alone and will get fuel economy of about 84 miles per gallon equivalent. And it's easy to imagine an i3 or i8 driver getting a kick out of never needing to touch a cord. This spring, reports sprung up that fellow German automaker Volkswagen was preparing a wireless charging option for its electric vehicles as soon as 2017. You can check out Daimler's press release below. Wireless charging of electric drive and plug-in hybrid vehicles: PLUG IN HYBRID - unplugged One of the next steps on the way to perfect electric drive and plug-in hybrid vehicles is wireless charging. Daimler and BMW have now agreed on jointly developing and implementing one common technology. Wireless charging of the battery will make the handling of electric drive and plug-in hybrid vehicles even easier. Mercedes-Benz will commence fleet testing of this "unplugged" technology with the S 500 Plug in HYBRID soon, in order to develop a real S-Class solution in recharging the high voltage battery in terms of comfort and ease of operating in the near future. The system consists of two components: a secondary coil integrated into the under tray of the car and a primary coil integrated into a floor plate that can be placed on a garage floor for instance. Electrical energy is transmitted contact-free without the need for a cable, at a power rate of 3.6 kW and with a degree of efficiency of 90%.

BMW electrifies the 2 Series Active Tourer with a plug-in prototype

BMW is developing a hybrid version of its 2 Series Active Tourer. At the company's Innovation Days 2015, we're finally getting to see the fruits of that electric labor with a prototype for a plug-in hybrid version of the front-wheel-drive hatchback. The Bavarians aren't keeping a secret that they intend to build a model like this in the future. But like the rest of the Active Tourer family, it's likely to remain unavailable to US buyers. BMW is already somewhat familiar with the realm of plug-ins with its i sub-brand and forthcoming X5 xDrive40e PHEV. This 2 Series Active Tourer is largely an adaptation of some of that tech. Up front, there's the company's transversely mounted, 1.5-liter turbocharged three-cylinder gasoline engine making 134 horsepower and 162 pound-feet of torque, and it's linked to a six-speed automatic gearbox. A generator on the front axle can also briefly boost output by 20 hp and 111 lb-ft, or help charge the rear-mounted battery. At the back is an electric motor making 87 hp and 122 lb-ft with a two-speed transmission spinning the rear axle. All of this is linked together via the Dynamic Stability Control to shuffle around power as necessary. The hybrid system generally prioritizes using electric power at speeds below 50 miles per hour and kicks on the engine from there. Depending on the settings, drivers can also force it into EV mode with a maximum range predicted at nearly 24 miles. BMW claims the 2 Series Active Tourer PHEV could get to 62 mph in a brisk 6.4 seconds, and the company estimates the setup can return the equivalent of 118 miles per gallon on the European cycle. While there's a lot of equipment to package together in this system, BMW claims that interior room is identical to the purely internal combustion version. The hybrid battery is under the rear seat, and propulsion for the back wheels is centered around the axle. As a prototype, the automaker isn't really talking pricing yet beyond stating buyers "do not have to pay a high premium for the technology." 2. BMW eDrive in the pipeline for further BMW models: The BMW 2 Series Active Tourer plug-in hybrid prototype. The advent of plug-in hybrid variants in various model series from the BMW brand is making all-electric driving with zero local emissions in a premium car a possibility for an ever-increasing number of target groups.