Nanomaterials describe, in principle, materials of which a single unit is sized (in at least one dimension) between 1 to 1000 nanometres (10−9 meter) but usually is 1 to 100 nm (the usual definition of nanoscale).
Europe is committed to becoming a highly energy-efficient, low-carbon economy by setting ambitious goals for climate and energy by 2020. An EU initiative is looking at ways to meet the growing demands in electricity production and consumption.