Demolition and concrete groups set up an agreement to promote safety and professionalism in their industries.
Decomposing garbage is the feedstock for the methane gas that King County, Wash., plans to use to power about 24,000 homes.
A 15-year agreement will provide fixed-price renewable fuel to Shell Energy North America from Clean Energy Fuels Corp.
The Navy's computer and radio transmitter facilities on Oahu still require cleanup of PCBs, volatile organic and semi-volatile organic compounds, and metals