ISLAMABAD/SINGAPORE — Days after Iran effectively blocked shipping through the Strait of Hormuz following the start of US and Israeli attacks in late February, two Pakistani electric motorbike outlets 1,400km  away found themselves overwhelmed with enquiries. Haseeb Bhatti, who retrofits petrol-fuelled bikes with battery-powered motors in the northern city of Rawalpindi, said his March sales surged 70 per cent.  For Ali Gohar Khan, who owns a 7-year-old electric motorbike retail franchise wi...