Primarily known for its work as a government contractor for defense-related projects, Lockheed Martin is now using its technological expertise to help companies improve their energy efficiency. What are the major trends in the world of efficiency? Who is leading the way? What is needed from policymakers to help make efficiency mainstream? During today's OnPoint, Tom Grumbly, vice president of energy and security services for Lockheed Martin, discusses his company's energy efficiency projects and the business community's push to go green.