Along with a weight reduction, they said that, "It can also be run like a diesel, using compression rather than a spark plug to ignite its fuel mixture." This is important as spark plugs require a decent amount of energy to function.
spark plugs require a decent amount of energy to function
Are you sure about that?
According to [0], "To ignite a stoichiometric air-fuel mixture (14:1) approximately 0.2 milliJoules of spark energy are required. Very rich or lean mixtures can require as much as 3 mJ."
