GMAT Critical Reasoning (CR) | Re: In the past the country of Malvernia has relied heavily on imported

A "most useful to evaluate" question is typically best approached from a weaken mindset. Look to establish the conclusion and premises, decipher the gap in logic, and then think about how you would attack the gap. The correct answer will be focused on one of the gaps in logic.

Here the argument states that while Malvernia relied heavily on imported oil in the past, the company has implemented a program to convert heating systems from