美国至5月2日当周API取暖油库存 21.1万桶，前值-5.4万桶。

Core Insights - The API heating oil inventory for the week ending May 2 in the U.S. showed an increase of 211,000 barrels, contrasting with a previous decrease of 54,000 barrels [1] Inventory Data - Current heating oil inventory stands at 211,000 barrels [1] - Previous week's inventory change was a reduction of 54,000 barrels [1]