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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.

Recharge Wrap-up: Hyundai H350 Fuel Cell van, Formula E in Brooklyn

Formula E's New York City e-Prix will take place in Brooklyn. With lower Manhattan and the Statue of Liberty as its backdrop, the race will play out on a 1.21-mile, 13-turn course on the streets of Red Hook. Formula E revealed the location at a press conference at the site of the circuit, at the Brooklyn Cruise Terminal on the New York Harbor. "New York City is where technology, sustainability and commerce collide," says NYC Mayor Bill de Blasio. "We are thrilled to be the new home of the ePrix." The race is scheduled for July 29, 2017. Watch the video above, and read more from Formula E. Hyundai is debuting its H350 Fuel Cell Concept at the 2016 IAA Commercial Vehicle Show in Hannover, Germany. The hydrogen-powered commercial van offers emissions-free (except for water vapor) driving without the lengthy recharge times of a plug-in vehicle. It has a driving range of 262 miles on a single tank, and refuels in just minutes. It can be configured with a cargo area of up to 456 cubic feet, or with seating for 14 passengers. Hyundai's fuel cell van concept draws from the automaker's experience with the Tucson Fuel Cell production vehicle. Read more from Hyundai. Mercedes-Benz says it will offer an electric delivery van again in 2018. The German automaker left the niche market in 2012 after slow sales of its Vito E-Cell, which it launched in 2010. "The future of urban deliveries will be electric," says Volker Mornhinweg, head of the company's vans division. "We at Mercedes-Benz Vans are convinced of this." While Mercedes has not said whether the EV will be a new model or an electric version of a current offering, it did say it would develop the powertrain in-house, and offer various battery capacities. Read more at Automotive News Europe. Related Gallery Mercedes-Benz Vito E-Cell View 16 Photos News Source: YouTube: FIA Formula E Championship, Formula E, Hyundai, Automotive News Europe Green Motorsports Hyundai Mercedes-Benz Minivan/Van Commercial Vehicles Electric Videos recharge wrapup

Mercedes may end Tesla supply agreement for B-Class Electric Drive

The Mercedes-Benz B Class Electric Drive has only been rolling off the production line for 17 months, each one equipped with a battery pack and drivetrain from Tesla Motors, but already there is talk of big upcoming changes. According to a report from the German publication Auto Motor und Sport, the next-generation version of this model will see an end to the Tesla-supplied tech and a hugely improved range. Currently, the electric sedan gets an EPA-rated 87 miles of range, using 28 kWhs of its 36-kWh battery, though its now-standard "Range Plus" package takes advantage of more of the pack, stretching that driving to 100 miles or so. It may take a year or several – the model just had a refresh – but expect those distance digits to double. The rumored range is said to be 500 km (310.7 miles), but since that would likely be calculated using the European drive cycle, expect something significantly lower stateside; say 220-ish official miles. This would be in keeping with expectations from a number of battery-powered competitors in the 2017-2018 time frame. It is unknown if this supposed next-gen B Class Electric Drive is in any way related to the rumored "Ecoluxe" program. The Tesla/Daimler relationship stretches back to 2009, when the Stuttgart-based outfit made a significant investment in the California automaker, quite possibly saving it from extinction in the process. We have reached out Mercedes-Benz about this report, but as of this writing, have not had a reply. We will update this post when we hear back. Related Video: Featured Gallery 2015 Mercedes-Benz B-Class Electric Drive: Paris 2014 View 13 Photos Green Rumormill Mercedes-Benz Tesla Electric Sedan electric drive electric drivetrain