Electricity-sector gap pegged at $212 billion over next decade; water-wastewater gap estimated at $113 billion.

Maglev technologies require much less maintenance than their more popular alternatives. Maglev propulsion is free from vehicle on track friction, so it avoids the financial burden of a “speed/maintenance penalty,” which increases with vehicle speed. 

Decision is the first under 2014 law allowing weak multiemployer plans to apply to reduce members' benefits.

Unemployment rate falls to 6% from March 8.7% and April 2015's 7.5%, BLS says.