Question: what is the difference between k-1 kerosene and regular kerosene?
Answer: K-1 Versus K-2 Kerosene A: The main difference is the sulfur content. K-1 is very pure kerosene with low sulfur content and is most commonly used. K-2 can have as much as 10 times more sulfur. ... Red is for gasoline, yellow is for diesel and blue is for kerosene.