Cleeves Cycle

  • Pinnacle Engines variable cycle opposed cylinder engine

    Throughout the history of the internal combustion engine there have been a multitude of scientists, inventors and entrepreneurs shouting claims about revolutionary new engine designs promising greater efficiency, more power, fewer emissions and lower production and running costs. However, to this day we are yet to see anything come up to replace the existing four-stroke engine design currently found in most cars (not including the newer generation of hybrids and all-electrics). Most of these ‘alternative’ designs usually vanish as quickly as they appear but one company...

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