Spark versus compression ignition in a new energy environment

Dieselisation of the fuel market is accelerating as commercial transport increases and as the fuel consumption of new passenger cars decreases. At the same time, the recent US revolution in shale gas and tight oil is putting new pressure on worldwide refining as more gasoline molecules are available from light crude extraction and from chemical feedstock substitution.

From a renewable fuel perspective, ethanol and its derivatives are available in larger volumes.