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The premium luxury Fisker Karma is the world's first true Electric Vehicle with extended range (EVer™). Series hybrid technology – powerful electric motors, a lithium-ion battery and a high-efficiency internal-combustion engine/ generator set – delivers a total range of 300 miles (483 km), and can achieve more than 100 mpg (2.4 L/100 km) with just 83g CO2/km on an annual basis. 2012 Fisker Karma photo Unrivaled luxury, style and performance combine with industry-leading fuel efficiency and the lowest emissions of nearly any production vehicle. 2012 Fisker Karma photo Meets or exceeds all applicable safety, emissions and homologation regulations for global markets. 2012 Fisker Karma photo Production start just 37 months after concept unveiled in 2008. 2012 Fisker Karma photo From new California automaker Fisker Automotive comes the Fisker Karma, the world's first true Electric Vehicle with extended range (EVer™) and a radical expression of what is possible in ...

For the time being, electric vehicles that combine battery power with a range-extending generator may be the best solution for those who can get by on battery power alone for most driving--but still sometimes need the range of a conventional gas or diesel-powered vehicle. Chevy’s Volt is the only extended-range electric vehicle on the market today, but other automakers (such as Fisker) are beginning to offer them as well. Now Mercedes-Benz is showing their interpretation of the extended-range electric vehicle, debuting theMercedes-Benz B-Class E-Cell Plus concept at the Frankfurt Auto Show. More parallel hybrid than series hybrid (like the Chevrolet Volt), the B-Class E-Cell Plus can be powered by the batteries, by the batteries and generator, or via the gasoline engine at speeds above 37 miles per hour when the batteries are depleted. The...