Mazda’s ‘Holy Grail’ of gasoline engines is completely fascinating
 

http://img-s-msn-com.akamaized.net/t...=f&x=368&y=187Mazdaâ??s hotly anticipated SKYACTIV-X Spark Controlled Compression Ignition engine has been described as the â??Holy Grailâ?* of gasoline motorsâ??something with diesel-like fuel economy, but far better efficiency. I went to Germany to talk to Mazdaâ??s extremely nerdy engineers, and before I actually drove the thing, hereâ??s what I learned.

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