LONG BEACH, Calif. — From the outside, the intricately woven amalgam of metal pipes and tanks built and owned by FuelCell Energy Inc. alongside the entrance to Toyota's main California port here could pass for a miniature old-school oil refinery.
But looks can be deceiving, because the products — hydrogen, electricity and water — coming out of this first-of-a-kind processing facility are as clean as oil is dirty. They are distilled from a naturally occurring byproduct of rotting waste that otherwise would end up fouling the atmosphere, and in a unique pilot program, will be used by Toyota for the next 20 years to aid its port operations here, just a short distance from the Pacific Ocean.
Called Tri-gen, the small plant transforms biogas — methane polluted with other contaminants captured and carried by pipeline from a nearby anaerobic digester — into an adjustable combination of up to 2.3 megawatts of electricity, 1,200 kg of hydrogen and 1,400…