Why haven't more businesses gone solar or taken up energy efficiency measures? If you ask most executives, they are supportive of measures that would help reduce their operating costs, improve their buildings resale value and provide positive exposure for their business. So what is creating this market inefficiency?Here are some of the big reasons holding up energy generation and efficiency measures:Don't have cash/budget allocated to facility improvementsMany businesses don't own the facility they work out ofThe payback period is longer than tenant leasesBenefit allocation - Building owners don't enjoy energy savingsConfusion over what happens when selling the property