In Marlborough, New Zealand, bio-remediation of municipal sewerage is being effected in a pilot program by means of the propagation of algae on the wastewater streams. This provides dual benefit as the algae are then harvested and processed into biofuel. Speaking of algae, energy analyst, John Sheehan of the National Renewable Energy Laboratory in Golden, Colorado, has said, "There is no other resource that comes even close in magnitude to the potential for making oil." Tom Sullivan