Assertion: liter | /r/HasProperty | aspirated engines
Facets:
value: naturally
type: MANNER
Source sentences:
text: From 2006-2009, the Toyota Racing Formula One team cars were powered by 2.4 L (146 cu in) naturally aspirated engines, as mandated by the Formula One rules.
text: The next period of significant V8 usage in Formula One was from 2006 to 2013, when the rules mandated use of 2.4 L (146 cu in) naturally aspirated V8 engines (in order to reduce the power outputs being achieved by the previous 3.0 litre V10 engines).