Thread: Mazda, 70 mpg (~45 MPG per epa), without a Hybrid
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Old 10-29-2010, 10:58 AM   #6 (permalink)
cr45
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Interestingly, Mitsubishi's latest diesel engine has a 14.9:1 compression ratio. At this rate, gas and diesel engines will soon be running very similar compression ratios.

Mitsubishi 4N1 engine - Wikipedia, the free encyclopedia
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