Could there been a new additive in home heating kerosene and does it smell?

Yes, new additives can be introduced in home heating kerosene to improve its performance, reduce emissions, or enhance stability. Some additives may alter the smell of the kerosene, while others are designed to be odorless. If a new additive is added, it could potentially have a noticeable scent, depending on its chemical composition. Always check with your supplier for details on any changes to the product.