Safety is the state of being "safe" (from French sauf), the condition of being protected from harm or other non-desirable outcomes. Safety can also refer to the control of recognized hazards in order to achieve an acceptable level of risk.
Cost and durability represent the main obstacles to full commercialisation of proton exchange membrane fuel cell (PEMFC) technology for vehicles. An EU-funded project is developing suitable materials for high-performance PEMFCs with a long lifetime.
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