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Now that Scania is partnering with Cummins, it would be interesting if they tried ethanol in a spark-ignited engine initially developed for CNG. Might work better than the failed compression-ignition ethanol engines which required an ignition improver to be blended into the ethanol, plus it could allow a much useful limp-home mode once CNG is depleted. This could eventually be a good option for agribusiness in Brazil.
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