Assertion: plasma ignition | /r/HasProperty | hei
Facets:
Source sentences:
text: When emissions requirements in the 70s dictated lean air/fuel mixtures that were more difficult to ignite, GM came up with the High Energy Ignition (HEI).
text: Example of coil winding specs, From a common High Energy Ignition (HEI) Coil - Primary resistance 0.4 Ω Primary inductance 3.5 mH Secondary resistance