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"  Photo by Carter Jung  At a preview event held the night before the Frankfurt Auto Show officially opened to the press, Mercedes-Benz unveiled the F 125! (In case you were wondering, the exclamation point after the &amp;quot;125&amp;quot; is all Mercedes, not us.) Why the bold statement? Two reasons. First, the 125 acknowledges the 125th anniversary of the automobile being invented by Karl Benz. Second, the F 125! has a range of 1000 kilometers (621.4 miles), emissions-free! If you&amp;#039;ve been following alternative fuel trends or Mercedes&amp;#039; engineering activity, you may have guessed the company&amp;#039;s fuel-cell technology (F-Cell) is at work. Using hydrogen for its energy source, the environmentally friendly technology is already proven in a B-Class F-Cell that successfully circumnavigated the world\u2014driving 30,000 kilometers through 14 countries and four continents. A Mercedes representative was overheard stating that the F 125! will cover 950 kilometers (590.3 miles) on a full tank of hydrogen alone. Supplementing the F-Cell is Mercedes&amp;#039; plug-in hybrid system. The use of a hybrid system enables the concept car to capitalize on range-increasing technologies such as brake regeneration and engine start-stop that couldn&amp;#039;t be used otherwise. With the new lithium-sulfur battery, as opposed to a conventional lithium-ion battery, there&amp;#039;s higher energy density, although power density is about the same. The result is a prototype battery that delivers extended range, or in this case, an extra 50 km (31.1 miles). Adding that to the F-Cell&amp;#039;s 950-km figure gives the F 125! its magical 1000-km range. (more) Keep Reading: Mercedes-Benz F 125! Concept Unveiled in Frankfurt &amp;amp;gt;&amp;amp;gt; Photos: Mercedes-Benz F 125! Concept &amp;amp;gt;&amp;amp;gt; More Frankfurt Auto Show News &amp;amp;amp; Photos &amp;amp;gt;&amp;amp;gt; Related posts:  Mercedes-Benz AMG Cylinder Deactivation Technology Coming to 2011 Frankfurt Motor Show Mercedes-Benz Celebrates 125 Years of the Motorwagen at Pebble Beach Mercedes-Benz CLS63 AMG unveiled  "^^<http://www.w3.org/2001/XMLSchema#string>
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