Answer:
cause-and-effect
Step-by-step explanation:
Cause and effect is a relationship of events or things, one of which is the result of the other or others. It is a blend of action and reaction.
Simply put, when something happens, it will cause something else to happen. The cause, in other words, causes the result.
In this context, if cars can be electrified, then the greenhouse gases will decrease.
Relationships of cause and effect are often used in the text of information.