Building owners would have 15 years to put the systems in place.

For now, the group's strategy is to press the city to fine building owners.

Less usual is for building owners to pay to use a name.

How many of the several hundred building owners are really ready for that?

Read more about five steps for building owner to save energy.

But representatives of the building owner said they had to act.

But court papers say that the building owner itself was doing the same thing.

It then plans to sell the land to the building owners.

"Building owners need to add sophisticated technology to keep the power on for three to five business days."

Building owners were given a decade to complete the work.