GMAT Critical Reasoning (CR) | Re: Assumption Revision: In response to the increasing

This question is part of the GMAT Club Critical Reasoning : Assumption" Revision Project.

In response to the increasing cost of producing energy through traditional means, such as combustion, many utility companies have begun investing in renewable energy sources, chiefly wind and solar power, hoping someday to rely on them completely and thus lower energy costs. The utility companies claim that although these sources require significant initial capital investment, they will provide stable