The US government has proposed changing the definition of a showerhead to allow increased water flow, following complaints from President Donald Trump about his hair routine. Under a 1992 law, showerheads in the US are not allowed to produce more than 2.5 gallons (9.5l) of water per minute. The Trump administration wants this limit to apply to each nozzle, rather than the overall fixture. Consumer and conservation groups argue that it is wasteful and unnecessary. The changes were proposed by the Department of Energy on Wednesday following complaints by Mr Trump at the White House last month. "So showerheads - you ... (full story)