Rising prices show tighter supplies of cleaner fuel for global shipping

NEW YORK (Reuters) - The price of very low-sulfur fuel oil has risen in recent months, a sign of increasing worry there is not enough of the fuel to comply with new global shipping laws that took effect this year, market participants said.Very low-sulfur fuel oil (VLSFO) lately has started to trade at levels comparable to marine gasoil, a type of diesel fuel used by tankers. That is an indication that refineries may need to increase production of VLSFO as tankers shift from dirtier, high-sulfur..