Purpose and methodology of life-cycle analysis

Side effects of a particular technology may show up during its use, but might as well be associated with its production or procurement or with the disposal or recycling of the technology after use. The technology may also, during any of its life phases, require inputs of materials and services from 

The actual work required for making a life-cycle analysis and assessment of a technology such as fuel cells may be summarised in the following way  

A fairly comprehensive list of items to include in a life-cycle analysis mention the following, without claiming the list to be complete  

Impact category Physical amount g/kWh ofH, Monetised value euro-c/kWh ofH, Uncertainty (range) 

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