Countries' leaders aim for clean energy to account for 50% of electricity generation by 2025, up from 37% in 2015.

Regulation would apply to drones used for such tasks as bridge, power line and pipeline inspections.

Since the previous agreement expired in October 2015, countries now are under a one-year moratorium that bars new unfair trade actions.

Transportation projects accounted for 63% of last year's $111.6-billion total, followed by energy, with 34%.

Legislation directs DOT to write safety standards for natural-gas storage facilities and gives it authority to issue broad emergency orders.

Industry's 5.2% May rate lowest since October 2006 but the bad news was loss of 15,000 jobs.

Completed nonresidential projects' total off 2.1% from March, but climbs 2.5% from April 2015.