Politics (from Greek: πολιτικά, translit. Politiká, meaning "affairs of the cities") is the process of making decisions that apply to members of a group.
A weapon that comes down as still As snowflakes fall upon the sod; But executes a freeman's will, As lightning does the will of God; And from its force, nor doors nor locks Can shield you; 'tis the ballot-box.
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.