MCLEAN, Va.--(BUSINESS WIRE)--NavigationArts, a full-service digital agency, is proud to announce the launch of Stratas Advisors, formerly Hart Energy Research & Consulting, and its new digital platform, stratasadvisors.com. Stratas Advisors, a Hart Energy company, is a global consulting and advisory firm that covers the full spectrum of the energy sector and related industries. NavigationArts worked closely with Stratas Advisors to develop a dynamic new digital platform that supports the c