Cuba has refused to allow the US embassy in Havana to import diesel to power its generators during the island’s ongoing energy crisis, according to a media report.The Cuban foreign ministry denied the request, The Washington Post reported on Friday, citing a protest note in which Havana described the embassy’s claim to such privileges as “shameless” and unavailable to the Cuban people.The move comes as the Caribbean island grapples with severe fuel shortages and widespread power outages. The...