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Mercedes-Benz engines with 48-volt systems coming in 2017

As part of a big green push announced yesterday, Mercedes-Benz is jumping into the world of 48-volt power. The company will launch a new family of efficient gasoline engines next year and will begin rolling out 48-volt systems with it, likely in its more expensive cars first. Mercedes will use the 48-volt systems to power mild-hybrid functions like energy recuperation (commonly called brake regeneration), engine stop-start, electric boost, and even moving a car from a stop on electric power alone. These features will be enabled through either an integrated starter-generator (Mercedes abbreviates it ISG) or a belt-driven generator (RSG). (RSG is from the German word for belt-driven generator, Riemenstartergeneratoren. That's your language lesson for the day.) Mercedes didn't offer many other details on the new family of engines. There are 48-volt systems already in production; Audi's three-compressor SQ7 engine uses an electric supercharger run by a 48-volt system, and there's a new SQ5 diesel on the horizon that will use a similar setup with the medium-voltage system. Electric superchargers require a lot of juice, which can be fed by either a supercapacitor or batteries in a 48-volt system. Why 48-volt Matters: Current hybrid and battery-electric vehicles make use of very high voltages in their batteries, motors, and the wiring that connects them, usually around 200 to 600 volts. The high voltage gives them enough power to move a big vehicle, but it also creates safety issues. The way to mitigate those safety issues is with added equipment, and that increases both cost and weight. You can see where this is going. By switching to a 48-volt system, the high-voltage issues go away and the electrical architecture benefits from four times the voltage of a normal vehicle system and uses the same current, providing four times the power. The electrical architecture will cost more than a 12-volt system but less than the complex and more dangerous systems in current electrified vehicles. The added cost makes sense now because automakers are running out of ways to wisely spend money for efficiency gains. Cars can retain a cheaper 12-volt battery for lower-power accessories and run the high-draw systems on the 48-volt circuit. The industry is moving toward 48-volt power, with the SAE working on a standard for the systems and Delphi claiming a 10-percent increase in fuel economy for cars that make the switch.

5 new EVs that make driving fun

One of the things enthusiasts bellyache about the most is electrification. The noisiest complainers say that EVs will suck the fun out of driving and can’t possibly be as engaging as a roaring gas engine. ItÂ’s undoubtedly true that the noises EVs make are not always as visceral and thrilling, but itÂ’s also true that electrification has ushered in a new era of performance that gas vehicles simply cannot match. WeÂ’ve gathered a list of EVs that donÂ’t suck to drive. We all know by now about Tesla and its Plaid models, which absolutely set the quarter-mile ablaze with their amazing acceleration figures. The vehicles on this list don't come from Tesla. Nor does the list include some highly anticipated performance EVs that will soon hit the market, such as the new 2024 Porsche Macan. This selection may be a bit short on range compared to tamer models, but at the same time, itÂ’s hard to ignore their specs and even harder to ignore the sensation that a full-throttle electric powertrain delivers. LetÂ’s dive in to see five new EVs that make driving fun. Porsche Taycan PorscheÂ’s gas-powered vehicles are among the most exciting on the road, so itÂ’s not surprising to see the automakerÂ’s first electric effort as a home run. The Taycan is available in a staggering number of configurations, ranging from the 375-horsepower base model to the massively powerful Turbo S models with up to 750 horsepower in temporary boost mode. Classic Porsche styling and high-end tech round out the package, making the Taycan one of the most desirable EVs today. That said, the TaycanÂ’s almost $91,000 starting price puts it out of reach for a majority of car buyers, and the prices keep steadily rising along with the performance. It also trades range for performance, as the least powerful variant is the most efficient, returning 242 miles with the extended-range battery. The car can take advantage of fast charging, however, and can recover up to 80 percent of its battery capacity in just over 22 minutes.   Kia EV6 GT How about a Kia that can out-accelerate many supercars, especially from a few years ago? The EV6 GT comes with two electric motors with a combined 576 horsepower and 545 pound-feet of torque. Its 0-60 mph time lands at just 3.4 seconds, and the EV offers a top speed of 161 mph, making it one serious Korean EV. At the same time, it features the standout styling of the standard model, which gives it a striking curb presence and a futuristic look that is unique among EVs.

Infiniti shows Q30 interior ahead of Frankfurt debut

Infiniti is supposed to debut the all-new Q30 hatchback at the 2015 Frankfurt Motor Show, but as the show is still a couple of weeks away and the company has elected to release yet another image, we aren't sure there'll be all that much to see come Sept. 15. With that in mind, then, we give you the first images of the entry-level hatch's cabin, and they're, um, wow. We knew the Q30 had a lot in common with the Mercedes-Benz A-Class but as these images show, this is far more than a common platform. The steering wheel, instrument cluster, switchgear, and shifter are direct from the Mercedes parts bin. From the looks of the images, the Q30 will even have a Mercedes-style key. This might not garner much attention in the budget ranks – take the Scion iA and Mazda2, for example – but this degree of parts sharing in the premium market is sure to raise some eyebrows. It's also a rather bewildering move for Infiniti. The company is, in effect, selling a Mercedes-Benz to any new customers it attracts. That'll certainly make a Q50 a hard sell when it comes time for an upgrade. Now, in Infiniti's defense, there are some differences in the layout here. The triple nozzle-style HVAC vents have been replaced with a more conventional pair of outlets, and the instrument cluster hood extends over the built-in navigation screen. That design decision, in particular, will certainly appeal to critics of the tacked-on-tablet look offered by Mercedes. The analog buttons for the multimedia system have also been tweaked, with the result looking far cleaner than the mess of buttons offered on Mercedes' products (we wouldn't be shocked to see this layout arrive on a facelifted A-, CLA-, or GLA-Class in the near future, though). Beyond those changes, though, there are multiple Mercedes design hallmarks here, including the location of the controls for the seat adjustments. You can check out the Q30's cabin in both right- and left-hand drive varieties courtesy of the images above. And for comparison's sake, we also included our most recent gallery of the Mercedes-Benz GLA-Class at the bottom of the page. Have a look and be sure to scroll down for the official press release. September 1, 2015 Countdown Frankfurt: First ever Infiniti Q30 active compact opens its doors before world premiere ? Q30 – The first global Infiniti compact ? Q30 interior design echoes daring expression of exterior ?