A dispute between Haiti and a U.S. energy trading firm is leading to long blackouts and fuel shortages in the Caribbean nation, feeding anger at President Jovenel Moise’s government following the collapse of a supply deal with Venezuela last year.  The capital Port-au-Prince’s fragile power grid was dealt a blow when Novum Energy Trading Corp suspended shipments in February, leaving residents without electricity for days and many gas stations with no fuel at the pumps. Novum says the government owes it $40 million in overdue payments for fuel. Haitian officials did not reply to requests for comment. The Western Hemisphere’s poorest nation, Haiti long relied on fuel shipments from nearby OPEC member Venezuela, which offered cheap […]