China’s switch to higher quality gasoline is being felt half a world away as barges bringing supplies for export clog up Amsterdam’s port, which ships more of the fuel than anywhere else. The Asian country’s government ordered eleven eastern provinces and cities to switch to higher quality gasoline as well as diesel as of January. That’s boosted orders from Europe of an oil product that is used to upgrade gasoline because independent refineries don’t have the capacity to process enough fuel themselves, according to Energy Aspects Ltd. More than 60 fuel barges, most holding gasoline or components to make it, are waiting as long as two weeks around Amsterdam’s port, according to Jelle Vreeman, a Rotterdam-based broker with Riverlake Barging, which arranges charters of the vessels. They would normally wait just a few days. “A lot of product is coming out of places like Germany among others, especially gasoline […]