Next-Gen Mazda SkyActiv 2 Engines Improve Efficiency 30%

It was a bold move by Mazda to ignore hybrid vehicles in favor of improvements to traditional combustion engines, but the gambit has paid off. Mazda has the most-efficient line of new cars in America, and when the next-generation of SkyActiv engines debuts around 2020, executives claim efficiency could climb another 30%.

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2014 Mazda 6 With i-Eloop Capable Of 40 MPG

With neither hybrid nor electric vehicles in their lineup, Mazda has sought to perfect internal combustion technology instead. To help assist the new SkyActiv engines though, Mazda has introduced its optional i-Eloop regenerative braking technology, which can boost the Mazda 6 fuel economy ratings to 28 city and 40 highway.

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